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Worksheets

Cellular Respiration and Photosynthesis

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Why are photosynthesis and cellular respiration often considered opposites?

a)

Photosynthesis produces twice as many ATP molecules as cellular respiration does.

b)

Water is released during photosynthesis and consumed during cellular respiration

c)

Photosynthesis occurs during the day, and cellular respiration occurs at night.

d)

Oxygen is produced during photosynthesis and used during cellular respiration.

2.

Where do the dark reactions of photosynthesis take place within the chloroplast?

a)

Stroma

b)

Stomata

c)

Chlorophyll

d)

Thylakoid Membrane

3.

The compound synthesized during photosynthesis is —

a)

H2O

b)

C6H12O6

c)

CO2

d)

O2

4.

In the process of photosynthesis, which pigment has the largest role?

a)

chlorophyll

b)

melanin

c)

carotene

d)

hemoglobin

5.

The first stage of photosynthesis in a chloroplast is

a)

light-dependent.

b)

temperature-dependent.

c)

glucose-driven.

d)

ATP-driven

6.

Which statement best describes the relationship between the products of photosynthesis and the reactants in cellular respiration?

a)

The products of photosynthesis serve as the reactants in cellular respiration to provide chemical energy.

b)

The products of photosynthesis combine with the reactants in cellular respiration to remove ATP from cells.

c)

The products of photosynthesis inhibit the reactants in cellular respiration in the presence of light.

d)

The products of photosynthesis change the structure of the reactants in cellular respiration in the presence of light.

7.

Photosynthesis and cellular respiration both involve the use and release of gases. Which statement correctly identifies the role of gases in the two processes?

a)

Photosynthesis and cellular respiration both use carbon dioxide and release oxygen.

b)

Photosynthesis and cellular respiration both use oxygen and release carbon dioxide.

c)

Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen.

d)

Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.

8.

What is the purpose of ATP in both cellular respiration and photosynthesis?

a)

To breakdown glucose to release energy

b)

To work as an enzyme

c)

To absorb electrons from water

d)

To transfer energy from one molecule to another

9.

Many plants that grow on land store energy in the form of starch. When the plants need energy, the molecules of starch can be broken down into monosaccharides. What type of biomolecule is starch?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Enzyme

10.

During photosynthesis hydrogen combines with carbon dioxide to make —

a)

cholesterol

b)

protein

c)

glucose

d)

cellulose

11.

Which of the following describes the primary energy conversion that occurs when plants produce sugar?

a)

Chemical energy is converted to light energy.

b)

Chemical energy is converted to mechanical energy.

c)

Light energy is converted to mechanical energy.

d)

Light energy is converted to chemical energy.

12.

Which organelle contains energy-rich organic compounds necessary for ATP production?

a)

ribosome

b)

mitochondria

c)

nucleus

d)

lysosome

13.

In which organelle is glucose connected to ATP through cellular respiration?

a)

Nucleus

b)

Mitochondria

c)

Ribosome

d)

Chloroplast

14.

In aerobic respiration, which molecule is the final electron acceptor in the electron transport chain?

a)

H2

b)

O2

c)

H2O

d)

NaD+

15.

Where do the light reactions of photosynthesis take place within the chloroplast?

a)

Stroma

b)

Stomata

c)

Chlorophyll

d)

Thykaloid Membrane

16.

Which best describes the end products of aerobic respiration?

a)

Oxygen and Organic compounds

b)

Carbon dioxide and Water

c)

Oxygen and Water

d)

Carbon dioxide and Organic compounds

17.

Chemical reactions occur within the cristae of the mitochondria of cells. Which of the following compounds is not present in cellular respiration?

a)

H2O2

b)

C6H12O6

c)

O2

d)

CO2

18.

Which of the following molecules produced through cellular respiration is the primary source of energy for a cell?

a)

ATP

b)

ADP

c)

NADH

d)

FAD

19.

Adenosine Triphosphate is the primary source of energy for all cells. When comparing the products of cellular processes, which process is responsible for the production of ATP?

a)

Photosynthesis

b)

Phagocytosis

c)

Cellular Respiration

d)

Excretion

20.

Cells can generate as many as 36 to 38 molecules of adenosine triphosphate (ATP) from the metabolism of one molecule of glucose. Which cellular process results in this amount of ATP production?

a)

Anaerobic cellular respiration

b)

Protein synthesis

c)

Aerobic cellular respiration

d)

Photosynthesis