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Photosynthesis and Respiration

Total questions: 21

Worksheet time: 16mins

Name
Class
Date
1.

OXYGEN released during photosynthesis comes from breaking down WHAT MOLECULE during the light dependent reaction?

a)

carbon dioxide

b)

water

c)

glucose

d)

ATP

2.

In Cellular Respiration, cells use energy available in food to create what energy-rich compound?

a)

ATP

b)

ADP

c)

glucose

d)

water

3.

Energy is released from ATP when:

a)

ATP is exposed to sunlight

b)

a phosphate group is broken

c)

adenine bonds to ribose

d)

a phosphate group is added

4.

Which of the following organisms perform cellular respiration?

a)

A

b)

D

c)

B and C

d)

All of these

5.

Carbon used in the Calvin Cycle comes from what molecule from the atmosphere?

a)

Oxygen

b)

Methane

c)

Carbon Dioxide

d)

Water

6.

Fermentation is an anaerobic process for releasing energy from glucose. Anaerobic means it takes place in:

a)

An oxygen-rich environment.

b)

an environment devoid of light

c)

an environment devoid of oxygen

7.

Does photosynthesis most commonly occur in heterotrophs or autotrophs?

a)

Heterotrophs

b)

Autotrophs

8.

What is the primary goal of Photosynthesis?

a)

To produce energy in the form of light

b)

to produce oxygen

c)

to produce chloroplasts

d)

to produce glucose for the plant

9.

Which of the following would most affect the rate of photosynthesis?

a)

Amount of carbon dioxide in the atmosphere

b)

amount of water in the soil

c)

amount of sunlight

d)

All of the above

10.

What are the products of the light dependent reaction in photosynthesis

a)

All of these

b)

Oxygen

c)

ATP

d)

NADPH

11.

What are the reactants in the light independent reaction or Calvin Cycle in photosynthesis?

a)

carbon dioxide

b)

ATP

c)

NADPH

d)

All of the above

12.

What are the products in the light independent or Calvin Cycle of photosynthesis?

a)

water

b)

oxygen

c)

carbon dioxide

d)

glucose

13.

In photosynthesis, what are the two products not used up in the reaction?

a)

water and oxygen

b)

oxygen and carbon dioxide

c)

oxygen and glucose

d)

glucose and ATP

14.

In cellular respiration, the first step in releasing the energy of glucose in the cell is known as:

a)

electron transport

b)

glycolysis

c)

the Krebs Cycle

d)

the Calvin Cycle

15.

After the bond depicted in the photo is broken, what will be the correct name of the molecule?

a)

ATP

b)

Glucose

c)

ADP

d)

NADPH

16.

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

a)

fermentation

b)

photosynthesis

c)

cellular respiration

d)

synthesis

17.

The process that produces glucose using sunlight, water and carbon dioxide is:

a)

cellular respiration

b)

Krebs Cycle

c)

Osmosis

d)

Photosynthesis

18.

Light absorbing molecules that gather the sun's energy are called:

a)

pigments

b)

glucose

c)

thylakoids

d)

chloroplasts

19.

The light dependent portion of photosynthesis takes place in what part of the chloroplast?

a)

mitochondria

b)

cytoplasm

c)

thylakoids

d)

stroma

20.

In what organelle does cellular respiration take place?

a)

mitochondria

b)

chromosomes

c)

lysosomes

d)

nucleus

21.

What are the correct steps, in order, of cellular respiration?

a)

Light Dependent Reaction, Calvin Cycle, Dark Reaction

b)

Glycolysis, Krebs Cycle, Electron Transport Chain

c)

Photosynthesis, Glucose, Respiration

d)

Krebs Cycle, Glycolysis, Electron Transport Chain