EOCT Review

#235 Questions

Created by Brandy McClain

Neither enzyme functions at all at a pH of

a. 2b. 5c. 8d. 13

1

DNA transcription takes place in the

cell’s:a. Nucleusb.Mitochondriac. Ribosomesd.Chloroplast

2

Which number in the diagram below indicates a structure that directly controls the movement of substances into and

out of a cell?

a.3b.5c.8d.1

3

Which process depends on the sun’s energy to produce

glucose?

a. Photosynthesisb.Diffusionc. Active Transportd.Osmosis

4

A protein molecule is shown in the diagram below. Which statement best describes the

main function of this type of molecule?

a. It acts as an enzyme in biological reactions

b. It stores energy for metabolic processes

c. It determines what traits may be inherited

d. It helps transport materials across a cell membrane

5

What term is used to describe organisms that use

photosynthesis to produce their own food?

a. An omnivoreb.A consumerc. A heterotrophd.A autotroph

6

Which of the following makes up a cell membrane’s bilayer?

a.Phospholipids

b. Nucleic Acids

c. Carbohydrates

d. Amino Acids

7

What is the function of an ATP molecule?

a. Storage of fatb.Storage of energyc. Storage of glucosed.Storage of ADP

8

What type of cell is illustrated in the diagram below?

a. Prokaryoteb. Bacterialc. Plant

d. Animal

9

Placing a plant cell in a hypotonic solution will cause

the cell to

a. Shrivelb. Divide c. Stay the samed. Swell

10

Which series best describes increasing levels of organization

in nature?

a. Population Communities Speciesb. Ecosystem Communities

Populationc. Population Communities

Ecosystemd. Communities Species Population

11

Amino acids are the monomers that join together

to form:

a. Nucleic acidsb.Proteinsc. Carbohydrates d.Lipids

12

The organism below (mushroom) is what type of feeder?

a. Heterotrophb. Autotrophc. Producerd. None of above

13

A breeder crossed a dog that was homozygous dominant for a particular

trait with a dog that is homozygous recessive for the same trait. What

percentage of the puppies produced will be homozygous recessive?

a. 75%b.25%c. 50%d.0%

14

The complementary mRNA sequence for the DNA sequence GAACCT is

a.GAACCUb.CTTGGAc.CUUGGAd.GAACCT

15

Pepsin is an enzyme that works best in an

environment that isa. Acidicb. Basicc. Neutrald. alkaline

16

An animal cell excretes a protein to outside its membrane by the

formation of a vesicle. Which process is involved in this transport?

a. Phagocytosisb. Exocytosisc. Endocytosisd. Passive transport

17

DNA (chromosome) replication occurs

during

a. Interphaseb. Prophasec. Metaphased. Anaphase

18

Lamarck stated that organisms acquired their

traits by:

a. Inheriting the trait from their ancestors

b. Using or not using their trait

c. Wanting their trait

d. Asking for their trait

19

A biome that has low precipitation, cold

temperatures, and permafrost is the

a. Tundrab.Desertc. Tropical Rainforestd.Temperate Forest

20

What organelle is represented by structure “F”?

a. Mitochondriab. Chloroplastc. Nucleusd. Ribosome

21

All the diamond-back rattle snakes living in a desert make up

a

a. Communityb. Populationc. Biomed. Habitat

22

A niche is defined as the

a. Physical location of an organism

b. Members of the same species in a pond

c. Role that an organism fills in its habitat

d. Kind of food that an organism eats

23

Energy for this ecosystem originally comes from the

a. Grass c. Sunb.Fish d. Water

24

Below show that, in their very early stages of development, the embryos of different

vertebrates resemble each other. This similarity suggests that they

a. Have identical DNA sequencesb. Are adapted for life in the same

placec. Probably have the same ancestord. Can breed to produce fertile

offspring

25

Which biotic factor is a characteristic of all

ecosystems?

a. Climatic changesb. Interactions among organismsc. Variations in soild. Changes in air pressure

26

What is represented by structure “B”

a. tRNAb. mRNAc. DNAd. None of the above

27

Which of these molecules is NOT organic?

a.Waterb.Lipidc.Carbohydrated.Protein

28

The figure below illustrates what type of solution?

a. Hypotonicb. Hypertonicc. Isotonicd. None of above

29

What is the structure labeled “A” on the

paramecium

a. Ciliab. Nucleusc. Mitochondriad. Contractile vacuole

A

B

C

30

About how many deer can Walla-walla Island sustain for a long

time?

a. 100b.80c. 40d.20

31

Enzymes for intracellular digestion are stored in

thea.Vacuolesb.Lysosomesc.Nucleolid.Mitochondria

32

What is represented by structure “C”

a. mRNAb. Anticodonc. Codond. DNA

33

What stage of mitosis is shown in the drawing

below?

a. Prophaseb. Metaphasec. Anaphased. Telophase

34

The process shown in the diagram below does NOT result in the

formation of a:

a. diploid cellb. haploid cellc. sex celld. gamete

35

The End