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Contents1.1.3 Sc. Method & Expt FMQuiz Homework41.2.1 Life – 1.3.3 Food Structure Homework61.3.3 Biomolecular Structures FMQuiz Homework81.3.4 Biomolecular Components FMQuiz Homework101.3.5 +1.3.6 Role of Biomolecules FMQuiz Homework121.3.8 Biomolecules & Minerals FMQuiz Homework141.4.2 - 1.4.6 Ecology FMQuiz Homework161.4.6 - 1.4.7 Ecology FMQuiz Homework181.4.8 + 9 Nutrient Recycling & Human Impact FMQuiz Homework201.4.10 - 12 Relationships & Population Dynamics FMQuiz Homework221.5 Ecosystem Study FMQuiz Homework242.1 Cell Structure & Microscopy 1 FMQuiz Homework262.1 Cell Structure & Microscopy 2 FMQuiz Homework282.2.3 Enzymes FMQuiz Homework302.2.4 Photosynthesis 1 FMQuiz Homework322.2.4 Photosynthesis 2 FMQuiz Homework342.2.5 Respiration FMQuiz Homework362.2.6 Movement through Membranes FMQuiz Homework382.2.7 Enzymes FMQuiz Homework402.2.9 Photosynthesis FMQuiz Homework422.2.10 Respiration FMQuiz Homework442.3 Cell Continuity FMQuiz Homework462.5.1 - 4 Genetics 1 FMQuiz Homework482.5.5 + 2.5.15 Genetics 2 FMQuiz Homework502.5.6 - 2.5.8 Genetics 3 FMQuiz Homework522.5.9 - 2.5.14 Genetics 4 FMQuiz Homework543.1.1 - 3.1.3 Monera Homework563.1.4 Fungi 1 FMQuiz Homework583.1.4 Fungi 2 FMQuiz Homework603.1.4, 6, 10 Fungi, Protista, Growth Curves FMQuiz Homework623.2.1 Plant Structure 1 FMQuiz Homework643.2.1 Plant Structure 2 FMQuiz Homework663.2.2 Blood & Circulation 1 FMQuiz Homework683.2.2 Blood & Circulation 2 FMQuiz Homework703.2.3 + 4 Blood Cells & Heartbeat FMQuiz Homework723.3.1 + 2 Nutrition & Storage in Plants FMQuiz Homework743.3.3 + 4 Human Nutrition & Digestion 1 FMQuiz Homework763.3.4 Digestion 2 FMQuiz Homework783.3.4 Digestion 3 FMQuiz Homework803.3.5 Blood Transport of Nutrients FMQuiz Homework823.4.1 - 3.4.4 Homeostasis, Plant Exchange, Breathing System FMQuiz Homework843.4.4 + 3.4.7 Breathing System FMQuiz Homework863.4.6 Excretory System 1 FMQuiz Homework883.4.6, 8 Excretory System 2 FMQuiz Homework903.5.2 Plant Responses FMQuiz Homework923.5.3 + 7 Defence System FMQuiz Homework943.5.3 Endocrine & Musculoskeletal System FMQuiz Homework963.5.3 Eye & Ear FMQuiz Homework983.5.3 Musculoskeletal System FMQuiz Homework1003.5.3 Nervous System FMQuiz Homework1023.6.1 Asexual, Flower Structure, Gamete Formation FMQuiz Homework1043.6.1 Dormancy & Germination FMQuiz Homework1063.6.1 Fruit Formation & Dispersal FMQuiz Homework1083.6.1 Pollination & Fertilisation FMQuiz Homework1103.6.2 Birth, Breastfeeding, Infertility & Birth Control FMQuiz Homework1123.6.2 Structures & Hormones FMQuiz Homework1143.6.4 + 5 Embryo Development & Menstrual Cycle FMQuiz Homework116
1.1.3 Sc. Method & Expt FMQuiz Homework
Q. What is a hypothesis?
A. ________________________________________________________________________________
Q. What might an hypothesis develop into?
A. ________________________________________________________________________________
Q. Why is a control important in an experiment?
A. ________________________________________________________________________________
Q. State two ways in which the results of an experiment may be presented.
A. ________________________________________________________________________________
Q. Explain the term Data in relation to the scientific method.
A. ________________________________________________________________________________
Q. Explain the term Replicate in relation to the scientific method.
A. ________________________________________________________________________________
Q. Explain the term Theory in relation to the scientific method.
A. ________________________________________________________________________________
Q. As a result of observations a scientist may formulate a …
A. ________________________________________________________________________________
Q. After formulating an hypothesis a scientist will then progress her investigation by devising a series of … and then carefully analysing the resulting …
A. ________________________________________________________________________________
Q. Suggest where a scientist may publish the results of her investigations
A. ________________________________________________________________________________
Q. In relation to the scientific method, explain the term experiment.
A. ________________________________________________________________________________
Q. In relation to the scientific method, explain the term theory.
A. ________________________________________________________________________________
Q. How does a hypothesis differ from a theory?
A. ________________________________________________________________________________
Q. True or False. In science, a hypothesis is an educated guess based on observations.
A. ________________________________________________________________________________
Q. Explain the importance of double-blind testing in scientific experimentation.
A. ________________________________________________________________________________
Q. Why is it a good idea to repeat an experiment?
A. ________________________________________________________________________________
Q. True or False. In experiments the factor that is changed is called the dependent variable.
A. ________________________________________________________________________________
Q. When investigating the effect of a mineral on wheat growth. Suggest a reason why the seeds used were all taken from one parent plant.
A. ________________________________________________________________________________
Q. The compost was sterilised at the start of the investigation. Suggest a way in which this may have been achieved.
A. ________________________________________________________________________________
Q. Why were the young wheat plants divided into two equal groups?
A. ________________________________________________________________________________
Q. During the investigation the two groups of plants were kept under identical conditions. Why was this?
A. ________________________________________________________________________________
Q. Name two conditions you think they would have kept constant during the investigation.
A. ________________________________________________________________________________
Q. Why was the investigation repeated several times before the results were published?
A. ________________________________________________________________________________
Q. What is meant by metabolism?
A. ________________________________________________________________________________
1.2.1 Life – 1.3.3 Food Structure Homework
Q. What is meant by metabolism?
A. ________________________________________________________________________________
Q. A sex cell is also known as a ...
A. ________________________________________________________________________________
Q. Removal from the body of the waste products of metabolism is called ...
A. ________________________________________________________________________________
Q. Give two reasons why living things need energy.
A. ________________________________________________________________________________
Q. True or False. Nutrition is the way living organisms get rid of waste.
A. ________________________________________________________________________________
Q. Give an example of a trace element in the human diet.
A. ________________________________________________________________________________
Q. In relation to the human diet, what is meant by a trace element?
A. ________________________________________________________________________________
Q. True or False. Nitrogen is a trace element.
A. ________________________________________________________________________________
Q. True or False. Polysaccharide molecules contain many sugar units.
A. ________________________________________________________________________________
Q. True or False. Glucose is a monosaccharide.
A. ________________________________________________________________________________
Q. Calcium and iron are examples of essential …
A. ________________________________________________________________________________
Q. Name a monosaccharide.
A. ________________________________________________________________________________
Q. What is a disaccharide?
A. ________________________________________________________________________________
Q. Cellulose is a polysaccharide. What is it formed from?
A. ________________________________________________________________________________
Q. Name a polysaccharide that has a different role to cellulose.
A. ________________________________________________________________________________
Q. Describe a test for a named polysaccharide.
A. ________________________________________________________________________________
Q. Name the reagent(s) used when testing for a protein.
A. ________________________________________________________________________________
Q. What is the initial colour of the reagent(s) used in the test for a reducing sugar?
A. ________________________________________________________________________________
Q. Does the test for reducing sugar require heat?
A. ________________________________________________________________________________
Q. What colour indicates a positive result in the test for reducing sugar?
A. ________________________________________________________________________________
Q. What is the initial colour of the reagent(s) used in the test for a protein?
A. ________________________________________________________________________________
Q. Does the test for protein require heat?
A. ________________________________________________________________________________
Q. What colour indicates a positive result in the test for protein?
A. ________________________________________________________________________________
Q. What is the ratio of hydrogen atoms to oxygen atoms in a carbohydrate?
A. ________________________________________________________________________________
1.3.3 Biomolecular Structures FMQuiz Homework
Q. Vitamins are either water-soluble or __________-soluble.
Q. Fats are composed of oxygen, hydrogen and ________________________
Q. When an iodine solution is added to a food sample and remains red-brown in colour, ___________ is absent.
Q. When two monosaccharides unite they form a ________________________
Q. Vitamin ________ is an example of a water-soluble vitamin.
Q. State a use of the Biuret test (copper sulphate and sodium hydroxide solutions) in the biology laboratory
A. ________________________________________________________________________________
Q. Give an example of a fat-soluble vitamin.
A. ________________________________________________________________________________
Q. State a use of Benedict’s (or Fehling’s) test in the biology laboratory.
A. ________________________________________________________________________________
Q. Give an example of a reducing sugar.
A. ________________________________________________________________________________
Q. Give an example of a polysaccharide.
A. ________________________________________________________________________________
Q. Biomolecules of the general formula Cx(H2O)y are examples of …
A. ________________________________________________________________________________
Q. In carbohydrates, which two elements are in the ratio 2:1?
A. ________________________________________________________________________________
Q. Cellulose is a polysaccharide. Explain the term polysaccharide.
A. ________________________________________________________________________________
Q. In the test for reducing sugar which of the following is correct? 1. No heat needed; 2. Heat but do not boil; 3. Boil.
A. ________________________________________________________________________________
Q. 1. Name a monosaccharide. 2. Give its formula. 3. Name a polysaccharide that can be formed from it.
A. ________________________________________________________________________________
Q. State a good source of a fat-soluble vitamin in the human diet.
A. ________________________________________________________________________________
Q. Fats are composed of fatty acids and …
A. ________________________________________________________________________________
Q. What name is given to fats that are liquid at room temperature?
A. ________________________________________________________________________________
Q. Name a chemical element found in proteins that is not found in carbohydrates.
A. ________________________________________________________________________________
Q. State two good sources of protein in the human diet.
A. ________________________________________________________________________________
Q. Proteins are digested to simpler substances. What are these simpler substances called?
A. ________________________________________________________________________________
Q. Name the elements found in Carbohydrate.
A. ________________________________________________________________________________
Q. Name the elements found in Fat.
A. ________________________________________________________________________________
Q. Apart from Carbon, Hydrogen, Oxygen and Nitrogen name one other element that may be present in protein.
A. ________________________________________________________________________________
1.3.4 Biomolecular Components FMQuiz Homework
Q. Give two good sources of protein in the human diet.
A. ________________________________________________________________________________
Q. Name a test or the solution(s) that is (are) used to detect protein in a food source.
A. ________________________________________________________________________________
Q. Glucose is an example of which type of biomolecule?
A. ________________________________________________________________________________
Q. The same elements are found in carbohydrates and fats. Name these elements.
A. ________________________________________________________________________________
Q. State one way in which carbohydrates differ from fats.
A. ________________________________________________________________________________
Q. How do phospholipids differ from other lipids?
A. ________________________________________________________________________________
Q. State one way in which an oil differs from a fat.
A. ________________________________________________________________________________
Q. What is a triglyceride?
A. ________________________________________________________________________________
Q. For which purpose did you use Brown paper or Sudan III in food testing?
A. ________________________________________________________________________________
Q. How many common amino acids are found in proteins?
A. ________________________________________________________________________________
Q. State a use for a water bath in biological investigations.
A. ________________________________________________________________________________
Q. Give one way in which an amino acid differs from a monosaccharide, in terms of chemical composition.
A. ________________________________________________________________________________
Q. How may one fat differ from another, in terms of chemical composition?
A. ________________________________________________________________________________
Q. True or False. Lipids are made of amino acids.
A. ________________________________________________________________________________
Q. True or False. All vitamins are fat soluble.
A. ________________________________________________________________________________
Q. True or False. Eggs are a good source of fat in the diet.
A. ________________________________________________________________________________
Q. What food in a student’s lunch (a tuna and sweetcorn sandwich, an apple and a bag of crisps) is a good source of protein?
A. ________________________________________________________________________________
Q. What food in a student’s lunch (a tuna and sweetcorn sandwich, an apple and a bag of crisps) is a good source of fat?
A. ________________________________________________________________________________
Q. Suggest one food in the lunch (a tuna and sweetcorn sandwich, an apple and a bag of crisps) that contains a water-soluble vitamin.
A. ________________________________________________________________________________
Q. Name one water-soluble vitamin.
A. ________________________________________________________________________________
Q. Proteins always contain the elements carbon, hydrogen, oxygen and …
A. ________________________________________________________________________________
Q. An example of a fat-soluble vitamin is …
A. ________________________________________________________________________________
Q. A solution used to test for the presence of glucose is …
A. ________________________________________________________________________________
Q. Was heat necessary to test a food for starch?
A. ________________________________________________________________________________
1.3.5 +1.3.6 Role of Biomolecules FMQuiz Homework
Q. What term is used to describe a cellular reaction in which large molecules are broken down to smaller ones?
A. ________________________________________________________________________________
Q. Give an example of a catabolic reaction in an animal.
A. ________________________________________________________________________________
Q. Give an example of an anabolic reaction in a plant.
A. ________________________________________________________________________________
Q. Is energy release a feature of anabolic or catabolic reactions?
A. ________________________________________________________________________________
Q. Is protein synthesis an anabolic or catabolic process?
A. ________________________________________________________________________________
Q. Is the conversion of ADP to ATP an anabolic or catabolic process?
A. ________________________________________________________________________________
Q. Are the reactions in which product molecules are larger than substrate molecules anabolic or catabolic processes?
A. ________________________________________________________________________________
Q. Name a monosaccharide and state a role for it in living organisms.
A. ________________________________________________________________________________
Q. Cellulose is a polysaccharide. What is it formed from?
A. ________________________________________________________________________________
Q. State a role for cellulose in living organisms.
A. ________________________________________________________________________________
Q. True or False. Anabolism is the breaking down of large molecules.
A. ________________________________________________________________________________
Q. Name a polysaccharide that has a different role to cellulose.
A. ________________________________________________________________________________
Q. Give an example of a protein that has a structural role.
A. ________________________________________________________________________________
Q. Cellulose is an example of a structural …
A. ________________________________________________________________________________
Q. What is the role of the polysaccharide starch or glycogen?
A. ________________________________________________________________________________
Q. Where precisely in a plant cell would you expect to find cellulose?
A. ________________________________________________________________________________
Q. Give a role of lipids in cells.
A. ________________________________________________________________________________
Q. Name the protein found in human hair, nails and skin.
A. ________________________________________________________________________________
Q. State two functions of fats in the human body.
A. ________________________________________________________________________________
Q. Give one structural function of proteins in living organisms.
A. ________________________________________________________________________________
Q. Give one metabolic function of proteins in living organisms.
A. ________________________________________________________________________________
Q. An example of a water-soluble vitamin is …
A. ________________________________________________________________________________
Q. What reagent or chemicals did you use to test for protein?
A. ________________________________________________________________________________
Q. In the test for protein what colour change occurred if protein was present?
A. ________________________________________________________________________________
1.3.8 Biomolecules & Minerals FMQuiz Homework
Q. Name two monosaccharides.
A. ________________________________________________________________________________
Q. Name a disorder associated with a deficiency of Vitamin A in the human diet.
A. ________________________________________________________________________________
Q. To which group of biomolecules do enzymes belong?
A. ________________________________________________________________________________
Q. Name a fat-soluble vitamin.
A. ________________________________________________________________________________
Q. Name a disorder associated with a deficiency of Vitamin C in the human diet.
A. ________________________________________________________________________________
Q. State a good source of Vitamin A in the human diet.
A. ________________________________________________________________________________
Q. Name a disorder associated with a deficiency of Vitamin D in the human diet.
A. ________________________________________________________________________________
Q. State a good source of Vitamin D in the human diet.
A. ________________________________________________________________________________
Q. State two functions of fats in the human body.
A. ________________________________________________________________________________
Q. State a role of carbohydrates other than a structural one.
A. ________________________________________________________________________________
Q. State one function of protein in the human body.
A. ________________________________________________________________________________
Q. What term is given to a protein which changes metabolic rate?
A. ________________________________________________________________________________
Q. Give a function of carbohydrates other than a structural one.
A. ________________________________________________________________________________
Q. Give one role for magnesium in plants.
A. ________________________________________________________________________________
Q. Name two minerals required by the human body.
A. ________________________________________________________________________________
Q. What is the function of iron in the body?
A. ________________________________________________________________________________
Q. What is the function of calcium in the body?
A. ________________________________________________________________________________
Q. Give two functions of water in a living organism.
A. ________________________________________________________________________________
Q. True or False. Nitrogen is a trace element.
A. ________________________________________________________________________________
Q. True or False. Polysaccharide molecules contain many sugar units.
A. ________________________________________________________________________________
Q. True or False. Glucose is a monosaccharide.
A. ________________________________________________________________________________
Q. What is the initial colour of the reagent(s) used in the test for a protein?
A. ________________________________________________________________________________
Q. What colour indicates a positive result in the test for reducing sugar?
A. ________________________________________________________________________________
Q. What colour indicates a positive result in the test for protein?
A. ________________________________________________________________________________
1.4.2 - 1.4.6 Ecology FMQuiz Homework
Q. What is an ecosystem?
A. ________________________________________________________________________________
Q. Explain the term biosphere.
A. ________________________________________________________________________________
Q. What is a habitat?
A. ________________________________________________________________________________
Q. In ecological studies what are abiotic factors.
A. ________________________________________________________________________________
_________________________________________________________________________________
Q. Explain the term edaphic.
A. ________________________________________________________________________________
Q. True or False. The term abiotic refers to the living factors in an ecosystem.
A. ________________________________________________________________________________
Q. Give an example of an abiotic factor that influences the distribution of a named plant in an ecosystem.
A. ________________________________________________________________________________
Q. Give an example of an edaphic factor.
A. ________________________________________________________________________________
Q. In ecological studies what are biotic factors.
A. ________________________________________________________________________________
Q. What is meant by a pyramid of numbers?
A. ________________________________________________________________________________
Q. Give an example of a biotic factor that influences the distribution of a named animal.
A. ________________________________________________________________________________
Q. What term is used by ecologists to describe the organisms that form the base of a pyramid of numbers?
A. ________________________________________________________________________________
Q. In ecology what is meant by a trophic level?
A. ________________________________________________________________________________
Q. What is a food web?
A. ________________________________________________________________________________
Q. True or False. Herbivores normally live long lives.
A. ________________________________________________________________________________
Q. Organisms capable of making their own food are known as …
A. ________________________________________________________________________________
Q. Where in a food chain are primary producers found?
A. ________________________________________________________________________________
Q. Why are most food chains short i.e. only consist of a few trophic levels?
A. ________________________________________________________________________________
Q. What term is used to describe organisms that feed on primary producers?
A. ________________________________________________________________________________
Q. What deduction may be made if the organisms at the start of the chain are less numerous than those that feed upon them?
A. ________________________________________________________________________________
Q. Can a parasite be the first member of a food chain?
A. ________________________________________________________________________________
Q. Energy enters food chains in the form of light. In which form do you think most energy is lost from food chains?
A. ________________________________________________________________________________
Q. Name the process that takes place in plants in which the sun’s energy is converted to a usable form.
A. ________________________________________________________________________________
Q. What is the source of energy for the earth’s ecosystems?
A. ________________________________________________________________________________
1.4.6 - 1.4.7 Ecology FMQuiz Homework
Q. What substance do plants possess that allows them to carry out photosynthesis?
A. ________________________________________________________________________________
Q. Name a primary producer.
A. ________________________________________________________________________________
Q. What are secondary consumers?
A. ________________________________________________________________________________
Q. Explain the term consumer.
A. ________________________________________________________________________________
Q. What is a pyramid of numbers?
A. ________________________________________________________________________________
Q. What does the animal plankton feed on?
A. ________________________________________________________________________________
Q. Hawthorn leaves Caterpillar Blue tit Sparrow hawk. The primary consumer in this food chain is …
A. ________________________________________________________________________________
Q. Hawthorn leaves Caterpillar Blue tit Sparrow hawk. If the sparrow hawks’ numbers increase, the number of blue tits may …
A. ________________________________________________________________________________
Q. Hawthorn leaves Caterpillar Blue tit Sparrow hawk. The hawthorn leaves represent the …
A. ________________________________________________________________________________
Q. Hawthorn leaves Caterpillar Blue tit Sparrow hawk. Name a carnivore from this food chain.
A. ________________________________________________________________________________
Q. The number of trophic (feeding) levels in a food chain is limited by the small transfer of … from one level to the next.
A. ________________________________________________________________________________
Q. Position in a pyramid of numbers.
A. ________________________________________________________________________________
Q. If all the tertiary consumers were removed (e.g. by disease) what would happen to the secondary consumers?
A. ________________________________________________________________________________
Q. Name one herbivore.
A. ________________________________________________________________________________
Q. What would happen to the number of caterpillars if all the thrushes died?
A. ________________________________________________________________________________
Q. Name one carnivore.
A. ________________________________________________________________________________
Q. True or False. Grazing food chains begin with animals.
A. ________________________________________________________________________________
Q. Name one omnivore.
A. ________________________________________________________________________________
Q. Explain the term niche.
A. ________________________________________________________________________________
Q. Explain the term edaphic.
A. ________________________________________________________________________________
Q. What is the biosphere?
A. ________________________________________________________________________________
Q. Energy enters food chains in the form of light. In which form do you think most energy is lost from food chains?
A. ________________________________________________________________________________
Q. What term is used to describe organisms that feed on primary producers?
A. ________________________________________________________________________________
Q. Organisms capable of making their own food are known as …
A. ________________________________________________________________________________
1.4.8 + 9 Nutrient Recycling & Human Impact FMQuiz Homework
Q. What is meant by nitrogen fixation?
A. ________________________________________________________________________________
Q. Name an important group of biomolecules that plants make from nitrates.
A. ________________________________________________________________________________
Q. The term used to describe micro-organisms and other organisms that return nutrients to the environment by decay is …
A. ________________________________________________________________________________
Q. Explain the term ectoparasite.
A. ________________________________________________________________________________
Q. What is meant by nitrification?
A. ________________________________________________________________________________
Q. Farmers add nitrates as fertilizers to the soil, but not when heavy rain is forecast. Why not?
A. ________________________________________________________________________________
Q. Name a group of organisms involved in nitrogen fixation.
A. ________________________________________________________________________________
Q. Explain the term decomposition.
A. ________________________________________________________________________________
Q. Why are elements recycled in nature?
A. ________________________________________________________________________________
Q. What is meant by pollution?
A. ________________________________________________________________________________
Q. Give an example of a human activity that results in the pollution of air.
A. ________________________________________________________________________________
Q. Explain conservation in relation to wild plants and animals.
A. ________________________________________________________________________________
Q. State one conservation practice from agriculture.
A. ________________________________________________________________________________
Q. Suggest two reasons for conserving wild species.
A. ________________________________________________________________________________
Q. State one conservation practice from fisheries.
A. ________________________________________________________________________________
Q. Outline the problems associated with the disposal of waste.
A. ________________________________________________________________________________
Q. State one conservation practice from forestry.
A. ________________________________________________________________________________
Q. Suggest two ways of minimising waste.
A. ________________________________________________________________________________
Q. Give an example of the use of micro-organisms in waste management.
A. ________________________________________________________________________________
Q. Give an advantage for the incineration of domestic waste.
A. ________________________________________________________________________________
Q. Suggest why continual monitoring of the environment is valuable.
A. ________________________________________________________________________________
Q. Give a disadvantage for the incineration of domestic waste.
A. ________________________________________________________________________________
Q. Give an example of a human activity that results in the pollution of water.
A. ________________________________________________________________________________
Q. Why is waste management becoming an increasingly difficult problem?
A. ________________________________________________________________________________
1.4.10 - 12 Relationships & Population Dynamics FMQuiz Homework
Q. Comment on the relative sizes of an individual producer and an individual primary consumer in a pyramid of numbers.
A. ________________________________________________________________________________
Q. What is a predator?
A. ________________________________________________________________________________
Q. What does an ecologist mean by competition?
A. ________________________________________________________________________________
Q. What term is used to describe an animal that is killed and eaten?
A. ________________________________________________________________________________
Q. True or False. Competition is generally more intense between members of the same species than between members of different species.
A. ________________________________________________________________________________
Q. Suggest possible effects of the disappearance of a plant species on the populations of other plants and animals in the ecosystem.
A. ________________________________________________________________________________
_________________________________________________________________________________
Q. What is contest competition?
A. ________________________________________________________________________________
Q. What term do ecologists use to describe an animal which kills and eats other animals?
A. ________________________________________________________________________________
Q. If the population of prey declines suggest two possible consequences for the predators.
A. ________________________________________________________________________________
Q. What is scramble competition?
A. ________________________________________________________________________________
Q. Apart from competition, state another factor that limits population growth.
A. ________________________________________________________________________________
Q. Give an example of predation by naming a predator and its prey.
A. ________________________________________________________________________________
Q. Where one organism lives in or on a second species, feeding on it and causing it harm is called …
A. ________________________________________________________________________________
Q. Name a factor, other than competition, that controls wild populations.
A. ________________________________________________________________________________
Q. Mortality levels resulting from infection by a particular virus tend to decline over the years. Why?
A. ________________________________________________________________________________
Q. Marking an animal might endanger it. Why?
A. ________________________________________________________________________________
Q. Suggest a role for parasites in the overall scheme of nature.
A. ________________________________________________________________________________
Q. Name a predator and give one adaptive technique.
A. ________________________________________________________________________________
Q. Suggest an effect on human population of an increased availability of contraception.
A. ________________________________________________________________________________
Q. All the members of a species living in an area is referred to as …
A. ________________________________________________________________________________
Q. Give four factors that influence the size of the human population.
A. ________________________________________________________________________________
Q. Mortality levels tend to be higher in the migratory animal species. Why?
A. ________________________________________________________________________________
Q. The population of a predator did not decline following a big reduction in the population of its main prey. Why?
A. ________________________________________________________________________________
Q. A relationship between two organisms in which both benefit is called …
A. ________________________________________________________________________________
1.5 Ecosystem Study FMQuiz Homework
Q. In ecology the term flora refers to …
A. ________________________________________________________________________________
Q. How were you able to identify the different plants in the ecosystem that you investigated?
A. ________________________________________________________________________________
Q. Name pieces of apparatus used to collect animals from an ecosystem.
A. ________________________________________________________________________________
Q. In ecology the term fauna refers to …
A. ________________________________________________________________________________
Q. In relation to a study of an ecosystem explain what a qualitative survey is.
A. ________________________________________________________________________________
Q. Give two possible sources of error that may have arisen in the course of your survey of plant species.
A. ________________________________________________________________________________
Q. In relation to a study of an ecosystem explain what a quantitative survey is.
A. ________________________________________________________________________________
Q. What is a quadrat used for in your ecology studies?
A. ________________________________________________________________________________
Q. Name one animal from the ecosystem you have studied and describe one way in which it is adapted to its habitat.
A. ________________________________________________________________________________
Q. What is meant by pollution?
A. ________________________________________________________________________________
Q. List two ways of minimising waste.
A. ________________________________________________________________________________
Q. State problems associated with waste disposal in Ireland.
A. ________________________________________________________________________________
Q. Name one human activity that causes pollution.
A. ________________________________________________________________________________
Q. State one role of microorganisms in waste management.
A. ________________________________________________________________________________
Q. Explain the term conservation.
A. ________________________________________________________________________________
Q. Name two groups of micro-organisms in the soil which are responsible for decomposition.
A. ________________________________________________________________________________
Q. What is meant by nitrogen fixation?
A. ________________________________________________________________________________
Q. Farmers add nitrate fertilizers to the soil but not if heavy rain is forecast. Why not?
A. ________________________________________________________________________________
Q. Name an important group of biomolecules that plants make from nitrates.
A. ________________________________________________________________________________
Q. Explain the term ectoparasite.
A. ________________________________________________________________________________
Q. Organisms that return nutrients to the environment by decay are called …
A. ________________________________________________________________________________
Q. What is meant by nitrification?
A. ________________________________________________________________________________
Q. What is the function of the nitrogen cycle?
A. ________________________________________________________________________________
Q. Name a group of organisms involved in nitrogen fixation.
A. ________________________________________________________________________________
2.1 Cell Structure & Microscopy 1 FMQuiz Homework
Q. State a use for iodine in the biology laboratory.
A. ________________________________________________________________________________
Q. A microscope has an eyepiece lens marked ×10 and an objective lens marked ×20. What is the total magnification of the image?
A. ________________________________________________________________________________
Q. Name a powerful type of microscope that is used to show cell ultrastructure.
A. ________________________________________________________________________________
Q. True or False. If the eyepiece lens of a microscope is marked X10 and the objective lens is marked X3, the total magnification is X13.
A. ________________________________________________________________________________
Q. If the magnification of the eyepiece of a microscope is X 10 and the magnification of the objective lens is X 30, what magnification results when a slide is viewed?
A. ________________________________________________________________________________
Q. For what purpose did you use a Cover slip in the course of your practical activities?
A. ________________________________________________________________________________
Q. True or False. The microscope lenses closest to the stage are the eyepiece lenses.
A. ________________________________________________________________________________
Q. Where in a cell would you expect to find phospholipids?
A. ________________________________________________________________________________
Q. State a function of a Ribosome.
A. ________________________________________________________________________________
Q. State a function of the cell membrane.
A. ________________________________________________________________________________
Q. When preparing an animal cell for examination under a microscope, name the stain that you used.
A. ________________________________________________________________________________
Q. Give two characteristic features of eukaryotic cells.
A. ________________________________________________________________________________
Q. What term is used to describe bacterial cells?
A. ________________________________________________________________________________
Q. State two features of plant cells visible under a light microscope that indicate that they are typical plant cells.
A. ________________________________________________________________________________
Q. What cellular organelle is the site of energy release?
A. ________________________________________________________________________________
Q. What cellular organelle is the site of water storage?
A. ________________________________________________________________________________
Q. Is the cell of Amoeba prokaryotic or eukaryotic?
A. ________________________________________________________________________________
Q. What component of a cell allows osmosis to occur?
A. ________________________________________________________________________________
Q. What is a selectively permeable (semi-permeable) membrane?
A. ________________________________________________________________________________
Q. Name two features of a plant cell which are not normally associated with an animal cell.
A. ________________________________________________________________________________
Q. What is usually found in the vacuole?
A. ________________________________________________________________________________
Q. Name a carbohydrate found in the cell wall.
A. ________________________________________________________________________________
Q. The liquid in which chemical reactions take place in the cell is …
A. ________________________________________________________________________________
Q. True or False. Plant cells have chloroplasts; animal cells do not have chloroplasts.
A. ________________________________________________________________________________
2.1 Cell Structure & Microscopy 2 FMQuiz Homework
Q. True or False. Cell membranes let only some molecules pass through.
A. ________________________________________________________________________________
Q. What is an enzyme?
A. ________________________________________________________________________________
Q. For what purpose did you use Methylene blue in the course of your practical activities?
A. ________________________________________________________________________________
Q. Where in a plant cell does photosynthesis take place?
A. ________________________________________________________________________________
Q. True or False. Human chromosomes are found in the nucleus.
A. ________________________________________________________________________________
Q. List two differences between a plant cell and an animal cell.
A. ________________________________________________________________________________
Q. State the precise location of the cell membrane in plant cells.
A. ________________________________________________________________________________
Q. True or False. Chloroplasts contain DNA.
A. ________________________________________________________________________________
Q. With what type of cell do you associate membrane-bound organelles?
A. ________________________________________________________________________________
Q. Give two functions of the cell membrane.
A. ________________________________________________________________________________
Q. Which organelle is known as “the powerhouse of the cell”?
A. ________________________________________________________________________________
Q. Why does the nucleus of a cell have many pores?
A. ________________________________________________________________________________
Q. State one feature that would allow you to identify a eukaryotic cell.
A. ________________________________________________________________________________
Q. What term is used to describe cells similar to bacterial cells?
A. ________________________________________________________________________________
Q. True or False. Animal cells do not have membranes.
A. ________________________________________________________________________________
Q. Are fungi prokaryotic or eukaryotic?
A. ________________________________________________________________________________
Q. True or False. If the eyepiece lens of a microscope is marked X10 and the objective lens is marked X3, the total magnification is X13.
A. ________________________________________________________________________________
Q. Where in a cell would you expect to find phospholipids?
A. ________________________________________________________________________________
Q. State a function a Ribosome.
A. ________________________________________________________________________________
Q. True or False. The microscope lenses closest to the stage are the eyepiece lenses.
A. ________________________________________________________________________________
Q. Why is a cover slip placed on a slide?
A. ________________________________________________________________________________
Q. State a function of the cell membrane.
A. ________________________________________________________________________________
Q. Is the cell of Amoeba prokaryotic or eukaryotic?
A. ________________________________________________________________________________
Q. The release of energy is associated with what cellular organelle?
A. ________________________________________________________________________________
2.2.3 Enzymes FMQuiz Homework
Q. What is meant by the term metabolism?
A. ________________________________________________________________________________
Q. For what is ATP an abbreviation?
A. ________________________________________________________________________________
Q. To which group of molecules do enzymes belong?
A. ________________________________________________________________________________
Q. In an experiment that you carried out to investigate the effect of pH on the rate of enzyme action, explain how you varied the pH.
A. ________________________________________________________________________________
Q. What is a bioreactor?
A. ________________________________________________________________________________
Q. What is meant by an enzyme?
A. ________________________________________________________________________________
Q. What is meant by immobilisation?
A. ________________________________________________________________________________
_________________________________________________________________________________
Q. Name a factor that influences the activity of an enzyme.
A. ________________________________________________________________________________
Q. State one advantage of using an immobilised enzyme in a bioreactor.
A. ________________________________________________________________________________
Q. Name a substance that is used to immobilise enzymes.
A. ________________________________________________________________________________
Q. State a use for Buffer solution in the biology laboratory.
A. ________________________________________________________________________________
Q. Apart from C, H and O, there is one other element always present in the building blocks of enzymes. Name that element.
A. ________________________________________________________________________________
Q. Distinguish between Enzymes and Hormones
A. ________________________________________________________________________________
Q. Give the term for the substance that results from the action of an enzyme on its substrate.
A. ________________________________________________________________________________
Q. In relation to an enzyme, explain the term optimum activity.
A. ________________________________________________________________________________
Q. Explain the term bioprocessing.
A. ________________________________________________________________________________
Q. Name the compound from which the immobilising beads are formed in the laboratory.
A. ________________________________________________________________________________
Q. In an experiment to investigate the effect of temperature on the rate of action of an enzyme, how did you vary the temperature?
A. ________________________________________________________________________________
Q. In an expt. to investigate the effect of temp on the rate of action of an enzyme, how did you measure the rate of the enzyme’s action?
A. ________________________________________________________________________________
Q. What name is given to the substance that an enzyme acts on?
A. ________________________________________________________________________________
Q. True or False. Immobilised enzymes can act as catalysts.
A. ________________________________________________________________________________
Q. Comment on the shape of enzyme molecules.
A. ________________________________________________________________________________
Q. The action of amylase on starch is a catabolic reaction. Explain the underlined term.
A. ________________________________________________________________________________
Q. Suggest one reason why enzymes are not found in body soap or shampoo.
A. ________________________________________________________________________________
2.2.4 Photosynthesis 1 FMQuiz Homework
Q. What is the final destination of excited electrons in Pathway 1 of the light-dependent stage?
A. ________________________________________________________________________________
Q. Name the structure that is controlled by guard cells.
A. ________________________________________________________________________________
Q. What is the waste product of Pathway 2?
A. ________________________________________________________________________________
Q. The splitting of water using light energy is known as …
A. ________________________________________________________________________________
Q. Name the carrier of electrons into the light-dependent phase.
A. ________________________________________________________________________________
Q. What element is necessary for chlorophyll formation?
A. ________________________________________________________________________________
Q. Name the disc-shaped membranes found in the chloroplasts covered with chlorophyll molecules.
A. ________________________________________________________________________________
Q. What term that describes photosynthetic and chemosynthetic organisms?
A. ________________________________________________________________________________
Q. Name the ion necessary for the production of ATP?
A. ________________________________________________________________________________
Q. One molecule of... is produced for every six molecules of CO2.
A. ________________________________________________________________________________
Q. Name the layer of leaf tissue with the highest density of chloroplasts.
A. ________________________________________________________________________________
Q. Name the aquatic plant that is usually used in photosynthesis experiments?
A. ________________________________________________________________________________
Q. What is carried into the dark phase as raw material for glucose manufacture?
A. ________________________________________________________________________________
Q. This is a possible destination for oxygen released during the light phase.
A. ________________________________________________________________________________
Q. What is the energy source used during the light-independent phase?
A. ________________________________________________________________________________
Q. This is one of the limiting factors affecting the rate of photosynthesis.
A. ________________________________________________________________________________
Q. What is the energy source of the light phase?
A. ________________________________________________________________________________
Q. What is the addition of a phosphate to ADP forming ATP, using light energy called?
A. ________________________________________________________________________________
Q. Name the site of photosynthesis
A. ________________________________________________________________________________
Q. What are the sources of carbon dioxide in the atmosphere?
A. ________________________________________________________________________________
Q. How could you artificially increase the rate of photosynthesis?
A. ________________________________________________________________________________
Q. As light intensity increases, the rate of photosynthesis ...
A. ________________________________________________________________________________
Q. As light intensity decreases, the rate of photosynthesis ...
A. ________________________________________________________________________________
Q. How would you vary the light intensity in an experiment?
A. ________________________________________________________________________________
2.2.4 Photosynthesis 2 FMQuiz Homework
Q. How would you measure the rate of photosynthesis?
A. ________________________________________________________________________________
Q. What is the equation for photosynthesis?
A. ________________________________________________________________________________
Q. What is the equation for aerobic respiration?
A. ________________________________________________________________________________
Q. What is the fate of water molecules in photosynthesis?
A. ________________________________________________________________________________
Q. Name some sources of carbon dioxide in pond water.
A. ________________________________________________________________________________
Q. What is the primary role of chlorophyll in photosynthesis?
A. ________________________________________________________________________________
Q. During photosynthesis oxygen is produced from ...
A. ________________________________________________________________________________
Q. During which stage of photosynthesis is oxygen produced?
A. ________________________________________________________________________________
Q. What is the fate of oxygen produced during photosynthesis?
A. ________________________________________________________________________________
Q. Name the gas used (needed) for photosynthesis.
A. ________________________________________________________________________________
Q. What gas is produced during photosynthesis?
A. ________________________________________________________________________________
Q. Name the energy source for photosynthesis.
A. ________________________________________________________________________________
Q. Give the location of cells in the leaf which contain most chlorophyll
A. ________________________________________________________________________________
Q. What term is used to describe the type of nutrition in plants?
A. ________________________________________________________________________________
Q. Name the organelle where chlorophyll is found.
A. ________________________________________________________________________________
Q. What is the fate of the protons (H+) that result from the splitting of water?
A. ________________________________________________________________________________
Q. What is the fate of the electrons that result from the splitting of water?
A. ________________________________________________________________________________
Q. Where does carbon dioxide enter a leaf?
A. ________________________________________________________________________________
Q. Name the part of the leaf where most photosynthesis occurs.
A. ________________________________________________________________________________
Q. The following are needed for photosynthesis - carbon dioxide and ...
A. ________________________________________________________________________________
Q. Name the part of the plant where most photosynthesis takes place.
A. ________________________________________________________________________________
Q. Why is photosynthesis important?
A. ________________________________________________________________________________
Q. Why do cells in the palisade layer contain most chloroplasts?
A. ________________________________________________________________________________
Q. As light intensity increases, the rate of photosynthesis ...
A. ________________________________________________________________________________
2.2.5 Respiration FMQuiz Homework
Q. Yeast cells produce ethanol in fermentation. Is this process affected by temperature? Explain your answer.
A. ________________________________________________________________________________
Q. Distinguish between aerobic and anaerobic respiration.
A. ________________________________________________________________________________
Q. Write a balanced equation to summarise aerobic respiration.
A. ________________________________________________________________________________
Q. Where in the cell does the first stage of respiration occur?
A. ________________________________________________________________________________
Q. Give two industrial uses of the anaerobic respiration of yeast.
A. ________________________________________________________________________________
Q. What is the final product of the first stage of respiration under aerobic conditions?
A. ________________________________________________________________________________
Q. Pyruvic acid is used for the second stage of respiration. Where does this second stage take place?
A. ________________________________________________________________________________
Q. If conditions in a human muscle cell become anaerobic pyruvic acid is converted to another substance. Name this other substance.
A. ________________________________________________________________________________
Q. When lactic acid builds up in the blood, a person is in oxygen debt. This debt must eventually be paid. Suggest how the debt is paid.
A. ________________________________________________________________________________
Q. What is the first stage process of respiration called?
A. ________________________________________________________________________________
Q. In the first stage of respiration there is a release of ATP as glucose is converted to another substance. Name this other substance.
A. ________________________________________________________________________________
Q. To what is pyruvic acid converted under anaerobic conditions in yeast?
A. ________________________________________________________________________________
Q. Under aerobic conditions pyruvic acid is converted to an acetyl group and in the process a small molecule is released. Name this molecule.
A. ________________________________________________________________________________
Q. In respiration acetyl co-enzyme A enters a cycle of reactions. What name is given to this cycle?
A. ________________________________________________________________________________
Q. To what is pyruvic acid converted under anaerobic conditions in a human muscle cell?
A. ________________________________________________________________________________
Q. Is oxygen required for the first stage of respiration?
A. ________________________________________________________________________________
Q. To what might pyruvic acid be converted, in the absence of oxygen?
A. ________________________________________________________________________________
Q. Where in the cell does Kreb’s Cycle take place?
A. ________________________________________________________________________________
Q. What is the cytosol?
A. ________________________________________________________________________________
Q. What is fermentation?
A. ________________________________________________________________________________
Q. Is oxygen required for the second stage of aerobic respiration?
A. ________________________________________________________________________________
Q. Suggest a situation in which some cells in the human body may not be able to engage in the second stage of aerobic respiration.
A. ________________________________________________________________________________
Q. What term is used to describe respiration in which only Stage 1 occurs?
A. ________________________________________________________________________________
Q. Name an organism that is used in industrial fermentation.
A. ________________________________________________________________________________
2.2.6 Movement through Membranes FMQuiz Homework
Q. Water enters the outermost cells of the root by osmosis. What does this tell you about the cell sap of these outermost cells?
A. ________________________________________________________________________________
Q. Osmosis has been described as a special case of diffusion. Explain why.
A. ________________________________________________________________________________
________________________________________________________________________________
Q. What is meant by a selectively permeable membrane?
A. ________________________________________________________________________________
Q. Give locations in a cell at which there is a selectively permeable membrane.
A. ________________________________________________________________________________
Q. What is diffusion?
A. ________________________________________________________________________________
Q. Why is diffusion alternatively known as passive transport?
A. ________________________________________________________________________________
Q. Explain the biological basis for the use of high sugar or high salt concentrations in the preservation of food.
A. ________________________________________________________________________________
Q. What did you use as the selectively permeable membrane in your investigation of osmosis?
A. ________________________________________________________________________________
Q. What is active transport?
A. ________________________________________________________________________________
Q. Name two substances that enter a human muscle cell by diffusion.
A. ________________________________________________________________________________
Q. Suggest an advantage to the cell of having a selectively permeable membrane.
A. ________________________________________________________________________________
Q. Explain the term turgor.
A. ________________________________________________________________________________
Q. Give an example of osmosis in plants.
A. ________________________________________________________________________________
Q. Name a substance found in a plant cell vacuole.
A. ________________________________________________________________________________
Q. Give a feature of a plant cell that allows it to remain turgid for long periods.
A. ________________________________________________________________________________
Q. True or False. Plant cell walls are fully permeable.
A. ________________________________________________________________________________
Q. Water for photosynthesis enters the roots of plants by what process?
A. ________________________________________________________________________________
Q. Suggest a way in which turgor is of value to plants.
A. ________________________________________________________________________________
Q. Name the terms used in biology to describe the movement of substances through cell membranes.
A. ________________________________________________________________________________
Q. What process is responsible for the uptake of minerals in a plant?
A. ________________________________________________________________________________
Q. What is meant by osmoregulation?
A. ________________________________________________________________________________
Q. Where precisely does water enter a plant?
A. ________________________________________________________________________________
Q. The drooping of the leaves of a plant resulting from loss of turgidity due to lack of water is known as …
A. ________________________________________________________________________________
Q. In which tissue does water ascend through the plant?
A. ________________________________________________________________________________
2.2.7 Enzymes FMQuiz Homework
Q. What is a denatured enzyme?
A. ________________________________________________________________________________
Q. What is meant by an enzyme?
A. ________________________________________________________________________________
Q. Suggest a temperature at which human enzymes work best.
A. ________________________________________________________________________________
Q. What is meant by immobilisation?
A. ________________________________________________________________________________
Q. What term best describes the shape of an enzyme?
A. ________________________________________________________________________________
Q. Name a substance that is used to immobilise enzymes.
A. ________________________________________________________________________________
Q. What is meant by an enzyme’s optimum pH?
A. ________________________________________________________________________________
Q. Name a factor that influences the activity of an enzyme.
A. ________________________________________________________________________________
Q. What is meant by the specificity of an enzyme?
A. ________________________________________________________________________________
Q. State a use for Buffer solution in the biology laboratory.
A. ________________________________________________________________________________
Q. State one way by which an enzyme may be denatured.
A. ________________________________________________________________________________
Q. Apart from C, H and O, what other element is always present in the building blocks of enzymes.
A. ________________________________________________________________________________
Q. Give two features of a denatured enzyme.
A. ________________________________________________________________________________
Q. What term is used for the substance(s) that result(s) from the action of an enzyme on its substrate?
A. ________________________________________________________________________________
Q. What is a vessel containing organisms producing useful products called?
A. ________________________________________________________________________________
Q. Name the product produced as a result of the action of catalase on hydrogen peroxide.
A. ________________________________________________________________________________
Q. To which group of molecules to which enzymes belong?
A. ________________________________________________________________________________
Q. In relation to an enzyme, explain the term optimum activity.
A. ________________________________________________________________________________
Q. True or False. Enzymes are not essential for metabolism.
A. ________________________________________________________________________________
Q. Give an advantage of using immobilised cells in industrial fermentation.
A. ________________________________________________________________________________
Q. The loss of enzyme function or activity is known as …
A. ________________________________________________________________________________
Q. The substrate for the enzyme amylase is …
A. ________________________________________________________________________________
Q. The substrate of the enzyme catalase is …
A. ________________________________________________________________________________
Q. True or False. Immobilised enzymes can act as catalysts.
A. ________________________________________________________________________________
2.2.9 Photosynthesis FMQuiz Homework
Q. Explain the part played by NADP- in photosynthesis.
A. ________________________________________________________________________________
Q. Give a brief explanation of the division of photosynthesis into light and dark stages.
A. ________________________________________________________________________________
Q. In which of the stages of photosynthesis does ATP form?
A. ________________________________________________________________________________
Q. What is the role of ATP in cells?
A. ________________________________________________________________________________
Q. What is an energised electron?
A. ________________________________________________________________________________
Q. In which stage of photosynthesis does carbon dioxide provide carbon for carbohydrate formation?
A. ________________________________________________________________________________
Q. ATP is an abbreviation. What does it stand for?
A. ________________________________________________________________________________
Q. Explain briefly the role of ATP in the energy exchanges of a cell.
A. ________________________________________________________________________________
Q. What is the fate of the ATP produced in the light-dependent stage?
A. ________________________________________________________________________________
Q. Why is the dark stage given the alternative name of the light-independent stage?
A. ________________________________________________________________________________
Q. Name a gas that is essential for the dark stage.
A. ________________________________________________________________________________
Q. To what group of biomolecules do the main products of the dark stage belong?
A. ________________________________________________________________________________
Q. What happens to water molecules when they reach the sites of photosynthesis?
A. ________________________________________________________________________________
Q. State a precise role for carbon dioxide photosynthesis:
A. ________________________________________________________________________________
Q. What is the fate of the NADPH produced in the light-dependent stage?
A. ________________________________________________________________________________
Q. Where in a plant cell does photosynthesis take place?
A. ________________________________________________________________________________
Q. Suggest a role for NAD / NADP+ in cell activities.
A. ________________________________________________________________________________
Q. During the first stage of photosynthesis where do the energised electrons come from?
A. ________________________________________________________________________________
Q. What is the fate of the oxygen produced in the light-dependent stage?
A. ________________________________________________________________________________
Q. During photosynthesis compounds of the general formula Cx(H2O)y are formed. What name is given to this group of compounds?
A. ________________________________________________________________________________
Q. From which simple compound does the plant obtain the H used to make C6H12O6?
A. ________________________________________________________________________________
Q. Name the simple compound that supplies the necessary energy for the second stage reactions.
A. ________________________________________________________________________________
Q. Give the name of the second stage of photosynthesis.
A. ________________________________________________________________________________
Q. Where in the cell is chlorophyll found?
A. ________________________________________________________________________________
2.2.10 Respiration FMQuiz Homework
Q. Explain the role of ADP in relation to the small amount of energy released during the first stage of respiration.
A. ________________________________________________________________________________
Q. What is the first stage process of respiration called?
A. ________________________________________________________________________________
Q. What is the final product of the first stage of respiration under aerobic conditions?
A. ________________________________________________________________________________
Q. If conditions in a human muscle cell become anaerobic pyruvic acid is converted to another substance. Name this other substance.
A. ________________________________________________________________________________
Q. To what is pyruvic acid (pyruvate) converted under anaerobic conditions in yeast?
A. ________________________________________________________________________________
Q. Under aerobic conditions pyruvate is converted to an acetyl group and a small molecule is released. Name this small molecule.
A. ________________________________________________________________________________
Q. In the first stage of respiration there is a release of ATP as glucose is converted to another substance. Name this other substance.
A. ________________________________________________________________________________
Q. In aerobic respiration the acetyl group enters a cycle of reactions. What name is given to this cycle?
A. ________________________________________________________________________________
Q. Name a compound to which pyruvate (pyruvic acid) may be converted, in the absence of oxygen.
A. ________________________________________________________________________________
Q. In what part of the cell does the second stage of respiration take place?
A. ________________________________________________________________________________
Q. In the mitochondrion pyruvate is broken down to CO2 and a two-carbon compound. Name this two-carbon compound.
A. ________________________________________________________________________________
Q. Give one product, other than electrons, of the reactions in Kreb’s cycle.
A. ________________________________________________________________________________
Q. For what is ATP an abbreviation?
A. ________________________________________________________________________________
Q. The electrons released in Kreb's Cycle pass along a transport chain and release energy. To what use is this energy put?
A. ________________________________________________________________________________
Q. To what are the electrons transferred at the end of the electron transport chain in aerobic respiration?
A. ________________________________________________________________________________
Q. Where in the cell does the first stage of respiration occur?
A. ________________________________________________________________________________
Q. In Stage 2 of respiration electrons pass along an electron transport chain, releasing energy. In what molecule is this energy stored?
A. ________________________________________________________________________________
Q. Name the group of protein molecules that control the rate of respiration.
A. ________________________________________________________________________________
Q. Where in a cell does the first stage of respiration take place?
A. ________________________________________________________________________________
Q. Is oxygen required for the first stage of respiration?
A. ________________________________________________________________________________
Q. C6H12O6 + 6O2 ENERGY + 6CO2 + 6H2O
Is this the equation for photosynthesis or respiration?
A. ________________________________________________________________________________
Q. How did you know that fermentation had ceased?
A. ________________________________________________________________________________
Q. Is oxygen required for the second stage of respiration?
A. ________________________________________________________________________________
Q. Where does Kreb’s cycle take place?
A. ________________________________________________________________________________
2.3 Cell Continuity FMQuiz Homework
Q. Genes are found on what structures in a cell nucleus?
A. ________________________________________________________________________________
Q. In genetics, what is meant by the term haploid?
A. ________________________________________________________________________________
Q. What is a chromosome?
A. ________________________________________________________________________________
Q. What is the medical term for the group of disorders in which certain cells lose normal control of mitosis?
A. ________________________________________________________________________________
Q. Suggest a possible cause of cancer.
A. ________________________________________________________________________________
Q. What name is applied to the period of the cell cycle in which division is not taking place?
A. ________________________________________________________________________________
Q. Give a cellular process that occurs during the period in the cell cycle in which the nucleus is not dividing.
A. ________________________________________________________________________________
Q. Suggest a possible treatment for cancer.
A. ________________________________________________________________________________
Q. What is the function of spindle fibres during cell division?
A. ________________________________________________________________________________
Q. Tissues grow by cell division. Name the type of cell division by which tissues grow.
A. ________________________________________________________________________________
Q. What is the role of mitosis in single-celled organisms?
A. ________________________________________________________________________________
Q. Name the two types of cell division.
A. ________________________________________________________________________________
Q. Give one way in which mitosis differs from meiosis.
A. ________________________________________________________________________________
Q. What is the function of meiosis?
A. ________________________________________________________________________________
Q. A what stage of mitosis are the chromosomes located at the equator of the cell before they begin to separate?
A. ________________________________________________________________________________
Q. Towards the end of mitosis, in what type of cell does a cell plate form?
A. ________________________________________________________________________________
Q. To what are the chromosomes attached during metaphase of mitosis?
A. ________________________________________________________________________________
Q. What is a tissue?
A. ________________________________________________________________________________
Q. Explain the term tissue culture.
A. ________________________________________________________________________________
Q. Give two examples of the use of tissue culture.
A. ________________________________________________________________________________
Q. Name a gas that would be needed for the growth of tissue in the laboratory.
A. ________________________________________________________________________________
Q. Why are sterile conditions needed to grow a tissue culture in a laboratory?
A. ________________________________________________________________________________
Q. What type of cell division, mitosis or meiosis, is involved in tissue culture?
A. ________________________________________________________________________________
Q. Organs are found in both plants and animals. What is meant by the term organ?
A. ________________________________________________________________________________