EOCT Review

#3 40 Questions

Created by Brandy McClain

Which of the following is an example of incomplete

dominance?

a. White & red flowers that make pink flowers

b. Black & white chickens that make speckled chickens

c. Color blind parents make non-color blind children

d. Tall & short parents make tall children

1

Which of the following would be considered a member of a

pioneer community for an area?

a. Cedar treesb. Lichensc. Grassesd. Flowers

2

A hawk carries a field mouse to its nest to feed its young. The hawk is:

a. a herbivoreb. an omnivorec. a decomposerd. a carnivore

3

The idea that both mitochondria and chloroplasts were once prokaryotes, but are now

organelles in eukaryotes is called the:

a. Endosymbiotic Theoryb. Evolutionary Theoryc. Lamarck Theoryd. Cell Theory

4

In humans, brown eyes, B, are dominant to blue eyes, b. Name the genotype and

phenotype of a person who is heterozygous for this trait.

a. bb – blue eyesb. Bb – blue eyesc. Bb – brown eyesd. BB – brown eyes

5

Which of the following is a heterotroph?

a. Dandelionb. Wheatc. Mushroomd. Willow tree

6

7Match this enzyme with the correct substrate:

a. c.

b. d.

Which group names are used to make the scientific name

of an organism?

a. Genus and speciesb. Order and familyc. Class and Orderd. Kingdom and Domain

8

Locomotive structures found in some protists

include

a. Musclesb. Appendagesc. Ciliad. Tentacles

9

This is where protein synthesis occurs:

a. Ribosomesb. Nucleusc. Mitochondriad. Cell Membrane

10

Which represents mitosis?

a. Sexual cellular reproduction

b. The division of genetic material of a cell to produce a zygote

c. The splitting of a cell to produce two daughter cells identical to the parent

d. The splitting of a cell to produce two gametes with half the chromosome number of the parent

11

Which of the following is characteristic of

producers?a. Ability to decompose dead organisms

b. Ability to hunt

c. Ability to eat plants

d. Ability to undergo photosynthesis

12

In humans, which of the following is

considered a vestigial organ?

a. Liverb. Colonc. Stomachd. Appendix

13

Which group of organisms is an

example of a population?

a. Leopard frogs in a streamb. Birds in Coloradoc. Tress in a forestd. Reptiles in the Sahara Desert

14

Which of these is a common adaptation that

helps desert plants conserve water?

a. waxy coverings on leaves & stems

b. large broad leavesc. flowering at nightd. very deep root systems

15

Which type of compound is NOT part

of the structure of DNA?

a. Proteinb. Deoxyribosec. Phosphated. Nitrogen base

16

Which of these makes up the abiotic factors

in an ecosystem?

a. Bacteria, fungi, mossesb. Trees, flowers, grassesc. Mice, raccoons, vulturesd. Rocks, minerals, rainfall

17

One bird species that feeds on large seeds nests in the same tree as a bird

that feeds on small seeds. How are the birds able to coexist?

a. They occupy different ecosystemsb. They occupy different habitatsc. They occupy different communitiesd. They occupy different niches

18

Which of the following organisms is an

autotroph?

a. Mushroomb. Treec. Bactierad. Amoeba

19

If elements are to be recycled in nature, which

organisms must be present?

a. Decomposersb. Predatorsc. Herbivoresd. Parasites

20

What biome is known for its large herbivores, few trees, and fire-

dependent ecology?

a. Desertb. Grasslandsc. Tropical Rain forestsd. Tundra

21

The method proposed by Charles Darwin to explain the

process of evolution is termed:

a. Coevolutionb. Natural Selectionc. Principle of populationd. Spontaneous Generation

22

Meiosis results in the formation of:

a. Cells with a haploid number of chromosomesb. Cells with a diploid number of chromosomesc. Cells with the same number of chromosomes as the parent cellsd. Cells with only 1 chromosome

23

What does the fossil record show about the

history of species on Earth?

a. Species stay the same over time.b. Species evolve from one form to

another.c. Modern species have no

relationship to ancient speciesd. No new species have emerged in

the last 200 million years.

24

Which term refers to the behavior of 2 species

attempting to use the same living space, food source,

and water source?

a. Predatoryb. Symbioticc. Competitiond. Mutualism

25

In this process, cells use glucose to produce

energy:

a. Photosynthesisb. Homeostasisc. Respiration d. Lysosome

26

Why do some strains of bacteria become resistant to antibiotics?

a. The bacteria develop a method of surviving without energy.

b. Through natural selection, some bacteria develop an adaptation that enables them to survive in the presence of antibiotics

c. The bacteria grow in habitats protected from antibiotics

d. Bacteria that live in host organisms are not affected by antibiotics.

27

A cat’s phenotype can be determined by

a. Looking at the cat’s motherb. Looking at the cat’s fatherc. Looking at the cat’s DNAd. Looking at the cat

28

What is the purpose of transfer RNA (tRNA)?

a. It unzips the double helix so transcription can begin

b. It retrieves amino acids from the cytoplasm for protein construction

c. It carries genetic information to the ribosomes

d. It produces a complementary copy of a strand of DNA

29

What form of energy is used by cells?

a. ATPb. DNAc. Enzymesd. ABC

30

A community in which barn owls and snakes consume only mice is being observed. If the number of snakes increases, which of the following is

most likely to happen first?

a. The barn owl population will increaseb. The mouse population will decreasec. The barn owl population will decreased. The mouse population will remain the

same

31

Which population would most impacted if the insects were

eliminated?

a. Decomposersb. Producersc. Primary consumersd. Secondary consumers

32

In guinea pigs, the allele for rough coat (R) is dominant to the allele for smooth coat

(r). A rough coat male and a smooth coat female mate. They produce several litters,

of which 50% are rough coat and 50% smooth coat. What were the genotype of

the parents?

a. RR x rrb. Rr x rrc. RR x Rrd. Rr x Rr

33

In a biomass pyramid, which tropic level has the greatest

biomass?

a. Decomposersb. Consumersc. Herbivoresd. Producers

34

In a food chain, the amount of energy that is passed from one trophic level to the next

is about

a. 10%b. 20%c. 50%d. 90%

35

This picture represents:

a. Endosymbiotic Theoryb. Biomagnificaitonc. Diseased. Evolution

36

Structures with no current biological function that are remnants of an organism’s evolutionary past are called

a. Vestigial structuresb. Analogous structuresc. Homologous structuresd. Fossil structures

37

Which of the following does NOT provide valid evidence of evolution?

a. The fossil recordb. Comparative anatomyc. Molecular biologyd. Acquired characteristics

38

According to Lamarck’s ideas about use and disuse,

changes caused by an organism’s lifestyle could be:

a. Temporary at bestb. Evolvedc. Acquired during its

life timed. Harmful to survival

39

Eutrophication of a lake occurs when

a. Algal and bacterial populations grow quickly because of excess phosphorous introduced into the ecosystem

b. Photosynthesis organisms are limited c. The diversity of its species increase d. Oxygen levels in the water increase

40

The End