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Cellular Respiration and Photosynthesis

Total questions: 19

Worksheet time: 6mins

Name
Class
Date
1.

Which molecules are required to carry out photosynthetic production of organic substances?

a)

Carbon dioxide

b)

Oxygen

c)

NADH

d)

Water

e)

ATP

2.

The citric acid cycle occurs:

a)

In the intermembrane space

b)

In the thylakoids

c)

In the stroma

d)

In the mitochondrial matrix

e)

In the mitochondrial cristae

3.

Which processes are classified as substrate-level phosphorylation?

a)

The Calvin cycle

b)

Chemiosmosis

c)

Glycolysis

d)

Citric acid cycle

e)

Electron transport

4.

The final electron acceptor of the electron transport chain in photosynthesis is:

a)

Carbon dioxide

b)

NAD+

c)

Water

d)

Oxygen

e)

NADP+

5.

Photorespiration is commonly found in which type of plant?

a)

CAM

b)

C3

c)

Bundle-sheath

d)

Mesophyll

e)

C4

6.

Production of ATP and NADPH is due to necessity of energy to power which process?

a)

Light reactions

b)

Electron transport chain

c)

Calvin cycle

d)

Citric acid cycle

e)

Chemiosmosis

7.

How do CAM plants behave under arid conditions?

a)

Closing stomata during the day and opening them during the night

b)

Opening stomata during the day and closing them at night

c)

Using only bundle-sheath cells to fix carbon

d)

Use bundle-sheath and mesophyll cells to help fix carbon and prevent photorespiration

8.

Cellular respiration is an oxidative reaction, while photosynthesis is:

a)

Oxidation

b)

Reduction

c)

Neither

9.

Oxidative phosphorylation can produce up to how many molecules of ATP?

a)

30

b)

32

c)

34

d)

36

10.

__________ enters the citric acid cycle, and _________ enters the Calvin cycle.

a)

Pyruvate, glucose

b)

Carbon dioxide, pyruvate

c)

Acetyl-CoA, carbon dioxide

d)

Pyruvate, carbon dioxide

e)

Glucose, carbon dioxide

11.

NADH yields around how many molecules of ATP in oxidative phosphorylation?

a)

1

b)

2

c)

3

d)

4

12.

Electrons flow down their energy states in the electron transport chain in photosynthesis. To which source of energy do they owe their excited states?

a)

ATP

b)

NADH

c)

Light energy

d)

Chemical energy

e)

NADPH

13.

When NADPH drops of its electrons at the Calvin cycle, it demonstrates a reduction reaction.

a)

True

b)

False

14.

In which direction are hydrogen ions pumped in the electron transport chain during oxidative phosphorylation?

a)

From the inner membrane space into the matrix

b)

From the matrix into the inner membrane space

c)

From the matrix into the the cristae folds

d)

From the cristae folds into the inner membrane

15.

What occurs after G3P is produced in the Calvin cycle?

a)

Rubisco must be re-synthesized.

b)

RuBP must be re-synthesized.

c)

Oxygen must be released.

d)

More NADPH must be inputted.

16.

Despite not having oxygen present, fermentation reactions are able to supply levels of ATP consistently. How?

a)

Re-generation of NADP

b)

Re-generation of NAD+

c)

Re-generation of FADH+

d)

Re-generation of carbon dioxide

17.

The final electron acceptor of the electron transport chain in cellular respiration combines with ________ to form water.

a)

Hydrogen ions

b)

Oxygen, electrons

c)

Electrons, hydrogen ions

d)

Hydrogen ions, oxygen

18.

The main process utilized in fermentation reactions is:

a)

Oxidative phosphorylation

b)

Substrate-level phosphorylation

c)

Electron transport chain

d)

Glycolysis

e)

Citric acid cycle

19.

The protein channel embedded in the electron transport chain that allows coupling of reactions with hydrogen ion diffusion to synthesize usable energy is called:

a)

ATP dehydrogenase

b)

ATP synthase

c)

NADH synthase

d)

NADH dehydrogenase