IGCSE Biology Concepts Revision Chapter 1 to 8 Chapter number: 1 & 2: Classification & Cells

Answer the following Questions: Q1) Define the following: 1) Excretion: ___________________________________________________________________________________

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2) Growth:

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3) Movement:

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4) Nutrition:

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5) Reproduction:

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6) Respiration:

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8) Sensitivity:

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9) Organelle:

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10) Tissue:

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11) Organ:

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12) Organ System:

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Q2) Write down two characteristics of the following:

a) Fishes:

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b) Amphibians:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

c) Reptiles:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

d) Birds:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

e) Mammals:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

f) Arthropods:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

g) Insects:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

h) Crustaceans:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

g) Arachnids:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

h) Myriapods:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

i) Annelids:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

j) Nematodes:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

k) Molluscs:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

l) Flowering plants:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

m) Bacteria:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

n) Fungi:

1)__________________________________________________________________________________

2)________________________________________________________________________________[2]

Q3) Write three differences between animal and plant cells:

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Chapter number: 3 & 4: Movements in and out of the cells & The Chemicals of Life

Answer the following Questions: Q1) Define the following: 1) Diffusion: ___________________________________________________________________________________

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2) Osmosis: ___________________________________________________________________________________

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3) Active Transport: ___________________________________________________________________________________

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Q2) What is meant by turgid cell?

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Q3) Name the part of the plant cell which is:

a) fully permeable: _________________________________________________________________[1]

b) partially permeable: ______________________________________________________________[1]

Q4) List three examples of diffusion in living organism:

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Q5) What happens to an animal cell in pure water:

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Q6) Explain why diffusion happens faster when the temperature.

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Q7) State three functions of proteins in living organisms.

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Q8) Give one example and use of a protein.

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Q9) Complete the following table:

Carbohydrates Fats Proteins

Elements they contain

Solubility in water

Smaller molecules of which they are made

Chapter number: 5 : Enzymes Answer the following Questions: Q1) Define the following: 1) Catalyst: ___________________________________________________________________________________

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2) Enzymes: ___________________________________________________________________________________

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Q2) What are the catalyst inside a living organism called?

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Q3) Which kind of reactions inside a living organism are controlled by enzymes?

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Q4) Give one example of a carbohydrase.

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Q5) Why are enzymes damaged at high temperature?

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Q6) Name the substance for each of the following:

a) Pectinase: ________________________________________________________________________

b) Isomerase: _______________________________________________________________________

c) Amylase: _________________________________________________________________________ Q7) Explain the following: a) Substrate: ___________________________________________________________________________________

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b) Product: ___________________________________________________________________________________

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c) Active site: ___________________________________________________________________________________

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d) Denature: ___________________________________________________________________________________

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Q8) a) Name the organism that is used to make the antibiotic penicillin. _________________________________________________________________________________[1] b) What is an antibiotic? _________________________________________________________________________________[1] Q9) Complete the following the table:

Q10) Table 10.1 lists some of the food materials that need to be digested, the enzymes that carry out the digestion and the end products. Complete Table 10.1.

Table 10.1 food material digestive enzyme end products of digestion

starch

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simple sugars

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amino acids

fat

lipase

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Chapter number: 6 & 7 : Animal and Plant Nutrition Answer the following Questions:

Q1) Define the following: 1) Nutrition: ___________________________________________________________________________________

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2) Photosynthesis: ___________________________________________________________________________________

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3) Limiting Factor:

Type of Carbohydrate

Example Role in living organism

monosaccharide Glucose

polysaccharide The form in which plants store energy

Cellulose

Glycogen

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4) Digestion: ___________________________________________________________________________________

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5) Ingestion: ___________________________________________________________________________________

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6) Egestion: ___________________________________________________________________________________

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7) Assimilation: ___________________________________________________________________________________

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Q2) a) What are the nutrients of a balance diet? ___________________________________________________________________________________

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b) Which of these are: i) organic: ________________________________________________________________________

ii) inorganic: _____________________________________________________________________[2]

c) Which of this can provide energy? _________________________________________________________________________________[1]

d) What is the role of fiber?

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Q3) What is coronary heart disease?

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Q4) Give three examples of deficiency disease?

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Q5) Name the five limiting factors of photosynthesis of a plant.

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Q6) Describe how the followings are done. a) test for starch:

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b) chlorophyll is need for a plant:

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c) carbon dioxide is need for a plant:

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d) light is need for a plant:

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e) oxygen is produced in photosynthesis:

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Chapter number: 8: Transport

Answer the following Questions:

Q1) Define the following: 1) Transpiration: ___________________________________________________________________________________

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2) Translocation: ___________________________________________________________________________________

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Q2) What is double circulation?

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Q3) Which side of the heart contain oxygenated blood?

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Q4) What kind of muscle is found in the heart?

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Q5) What is the function of coronary arteries?

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Q6) What is pace maker?

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Q7) List two functions of capillaries?

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Q9) What is hemoglobin?

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Q10) Where are red blood cells made?

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Q11) Name the five components of plasma?

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Q12) a) What is tissue fluid?

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b) Give is two functions?

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Q13) By what process does water and minerals enters the root hair?

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Q14) What is the function of the root cap?

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Q15) What are the differences between the following:

a) blood and lymph:

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b) diastole and systole:

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c) artery and vein:

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d) deoxygenated blood and oxygenated blood

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e) atrium and ventricle:

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f) heptatic vein and heptatic portal vein

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g) red blood cells and white blood cells:

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h) xylem and phloem:

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i) diffusion and active transport:

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Q14) Explain how water is absorbed by plants roots.

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