CellBioPt2-2013-14

1.

1 point

Which of the following is the correct sequence of events in cellular respiration?

glycolysis --> fermentation --> Krebs cycle

Krebs cycle --> electron transport --> glycolysis

Krebs cycle --> glycolysis --> electron transport

glycolysis --> Krebs cycle --> electron transport

2.

1 point

Which of the following is one of the ways that cellular respiration and photosynthesis are opposite processes?

Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.

Photosynthesis removes oxygen from the atmosphere, and cellular respiration puts it back.

Photosynthesis releases energy, and cellular respiration stores energy.

Photosynthesis consumes glucose, and cellular respiration produces glucose.

3.

1 point

In addition to light and chlorophyll, photosynthesis requires

water and carbon dioxide

water and sugar

oxygen and carbon dioxide

water and oxygen

4.

1 point

Which of the following organisms perform cellular respiration
I. Mushroom
II. Fern
III. Polar Bear
IV. Iris (plant)

All of the above (I, II, II, and IV)

Only I and III

Only II and III

Only III

5.

1 point

Which statement is true regarding a cell’s surface area-to-volume ratio

As the size of cell decreases, its volume increase

Smaller cells will have a greater surface area-to-volume ratio

Large cells have a greater surface area-to-volume ratio

As the size of a cell increases, its volume decreases

6.

1 point

In order for a cell to divide successfully, the cell must first

Duplicate its genetic information

Decrease its number of organelles

Increase its number of chromosomes

Decrease its volume

7.

1 point

Cellular respiration is called an aerobic process because it requires

glucose.

oxygen.

light.

exercise.

8.

1 point

The process carried out by yeast that causes bread dough to rise is

Alcoholic fermentation

Lactic acid fermentation

Cellular respiration

Yeast mitosis

9.

1 point

The rate at which materials enter and leave the cells depends on the cell’s

Surface area

Volume

Speciation

Weight

10.

1 point

The process that releases energy from food in the presence of oxygen is

Synthesis

Cellular respiration

ATP synthase

Photosynthesis

11.

1 point

The stroma is the region outside the

plant cells.

Mitochondria

thylakoids.

chloroplasts.

12.

1 point

Because fermentation takes place in the absence of oxygen it is said to be

Oxygen rich

Aerobic

Anaerobic

Cyclic

13.

1 point

The principal pigment in plants is

ATP

oxygen

chlorophyll

NADPH

14.

1 point

As a cell becomes larger, its

surface area stays the same, but its volume increases.

surface area increases faster than its volume.

volume increases faster than its surface area.

volume increases, but its surface area stays the same.

15.

1 point

The first process in the light-dependent reaction of photosynthesis is

oxygen production

light absorption

ATP formation

electron transport

16.

1 point

Energy is released from ATP when

ATP is exposed to sunlight.

a phosphate group is removed.

a phosphate group is added.

adenine bonds to ribose.

17.

1 point

When during the cell cycle is a cell’s DNA replicated?

G1 phase

S phase

G2 phase

M phase

18.

1 point

The leaves of plants appear green because chlorophyll

absorbs green light

reflects green light

absorbs blue light

reflects blue light

19.

1 point

Which of the following is NOT an advantage of asexual reproduction

Increases genetic diversity

Produces large number of offspring quickly

Requires one parent

Simple and efficient

20.

1 point

In a typical plant, all of the following factors are necessary for photosynthesis EXCEPT

light

chlorophyll

oxygen

water

21.

1 point

The Krebs cycle takes place within the

Nucleus

Chloroplast

Cytoplasm

Mitochondria

22.

1 point

Which substance is broken down during the process of glycolysis?

NAD+

Pyruvic acid

Carbon

Glucose

23.

1 point

During cellular respiration, which of the following are released as byproducts

H2O and O2

CO2 and H2O

O2 and H2O

CO2 and O2

24.

1 point

In eukaryotic cells, MOST of cellular respiration processes takes place in the

mitochondria

cell walls

cytoplasm

nuclei

25.

1 point

Which of the following is an electron carrier that plays a role in cellular respiration?

pyruvic acid

NAD+

NADP+

ATP

26.

1 point

The principal chemical compound that living things use to store energy is

DNA

ATP

CO2

H2O

27.

1 point

What happens during photosynthesis?

Heterotrophs produce ATP.

Autotrophs produce carbohydrates.

Autotrophs consume carbohydrates.

Heterotrophs consume ATP.

28.

1 point

Autotrophs differ from Heterotrophs because they

utilize oxygen to burn food

make their own food from carbon dioxide and water

do not require oxygen to live

make carbon dioxide as a product of using food

29.

1 point

Which of the following correctly summarized the process of photosynthesis

Sugars + O2 --> H2O + CO2

H2O + O2 --> sugars + CO2

H2O + CO2 --> sugars + O2

Sugars + CO2 --> H2O + O2

30.

1 point

What raw materials are needed for cellular respiration?

Glucose and oxygen

Glucose and carbon dioxide

Oxygen and lactic acid

Carbon dioxide and oxygen

31.

1 point

Where do the light-dependent reactions take place?

within the thylakoid membranes

in the outer membrane of the chloroplasts

in the stroma of the chloroplast

within the mitochondria membranes

32.

1 point

Cells use the energy available in food to make a final energy-rich compound called

ATP

Glucose

ADP

Water

33.

1 point

The two main types of fermentation are called

alcoholic and aerobic.

alcoholic and lactic acid.

lactic acid and anaerobic.

aerobic and anaerobic.

34.

1 point

Which of the following happens when a cell divides?

Each daughter cell receives its own copy of the parent cell’s DNA.

It becomes more difficult for the cell to get enough oxygen and nutrients.

The cell’s volume increases.

It becomes more difficult for the cell to get rid of wastes.

35.

1 point

Which of these processes takes place in the cytoplasm of a cell?

glycolysis

electron transport

photosynthesis

Krebs cycle

36.

1 point

At the beginning of cell division, a chromosome consists of two

Sister Chromatids

Centrioles

Centromeres

Spindles

37.

1 point

Why are electron carriers needed for transporting electrons from one part of the chloroplast to another?

High-energy electrons get their energy from electron carriers.

High-energy electrons would be destroyed.

High-energy electrons are highly reactive.

High-energy electrons are not soluble in cytoplasm.

38.

1 point

During which phase in the cell cycle does mitosis happen?

G1 phase

M phase

S phase

G2 phase

39.

1 point

Which of the following are autotrophs?

plants

deer

leopards

mushrooms