Question 1

In photosynthesis,the carbon in CO2 is _____ to form glucose.

Accepted Answer

A)  respired
B)  oxidized
C)  reduced
D)  energized
E)  broken downF) None of the above
G) B) and D)

Question 2

Electrons excited in photosystem II help the chloroplast produce

Accepted Answer

A)  water.
B)  NADPH.
C)  glucose.
D)  NADH.
E)  ATP.F) D) and E)
G) None of the above

Question 3

Match the reactants of photosynthesis with the correct sources.

Accepted Answer

The answer of Match the reactants of photosynthesis with the...

Question 4

Which organism's life depends on photosynthesis?

Accepted Answer

A)  corals
B)  oak trees
C)  humans
D)  sea slug Elysia chlorotica
E)  All answers are correct.F) B) and E)
G) A) and D)

Question 5

Burning wood is a reverse reaction of photosynthesis,so what products would be formed?

Accepted Answer

A)  carbon dioxide and water
B)  glucose and oxygen
C)  oxygen and carbon dioxide
D)  oxygen and water
E)  carbon dioxide and glucoseF) A) and E)
G) B) and C)

Question 6

Photosystem I and photosystem II are part of

Accepted Answer

A)  the light reactions and the carbon reactions.
B)  the light reactions only.
C)  the light reactions and respiration.
D)  the carbon reactions only.
E)  respiration.F) B) and E)
G) B) and D)

Question 7

Water interacts with the machinery of photosynthesis at photosystem II.

Accepted Answer

A) True 
 B)False

Question 8

The light reactions provide energy to run the carbon reactions' production of carbohydrate.

Accepted Answer

A) True 
 B)False

Question 9

Examples of photosynthetic accessory pigments are

Accepted Answer

A)  chlorophyll b and carotenoids.
B)  chlorophyll a and carotenoids.
C)  chlorophyll a and chlorophyll b.
D)  carotenoids and DNA.
E)  chlorophyll b and DNA.F) B) and E)
G) B) and D)

Question 10

The product of photosystem I is

Accepted Answer

A)  NADPH.
B)  ATP.
C)  glucose.
D)  water.
E)  NADH.F) B) and E)
G) A) and B)

Question 11

Organisms that gain energy by consuming preexisting organic molecules are called

Accepted Answer

A)  heterotrophs.
B)  autotrophs.
C)  animorphs.
D)  plants.
E)  No answer is correct.F) B) and E)
G) None of the above

Question 12

How do CAM plants minimize photorespiration?

Accepted Answer

A)  The light reactions and carbon reactions occur in different cells,so carbon dioxide does not come into contact with rubisco.
B)  The light reactions and carbon reactions occur in different cells,so oxygen does not come into contact with rubisco.
C)  Stomata are open only at night and oxygen is stored in a four-carbon compound.During the day the carbon dioxide is released for photosynthesis.
D)  Stomata are open only at night and carbon dioxide is stored in a four-carbon compounD.During the day the carbon dioxide is released for photosynthesis.E) A) and B)
F) B) and D)

Question 13

For many plants to grow well in hot,dry weather,they must be watered so their stomata will remain open for longer periods of time to let in oxygen.

Accepted Answer

A) True 
 B)False  False

Question 14

The carbon reactions can run on their own without the light reactions.

Accepted Answer

A) True 
 B)False

Question 15

Most biologists agree that the light reactions are less important than the carbon reactions.

Accepted Answer

A) True 
 B)False  False

Question 16

The carbon reactions produce ATP and NADPH.

Accepted Answer

A) True 
 B)False

Question 17

The primary pigment molecule needed for photosynthesis is

Accepted Answer

A)  sunlight.
B)  oxygen.
C)  carbon dioxide.
D)  glucose.
E)  chlorophyll a.F) B) and D)
G) A) and E)

Question 18

How do C4 plants minimize photorespiration?

Accepted Answer

A)  Stomata are open only at night and oxygen is stored in a four-carbon compound.
B)  The light reactions and carbon reactions occur in different cells,so carbon dioxide does not come into contact with rubisco.
C)  Stomata are open only at night and carbon dioxide is stored in a four-carbon compound.
D)  The light reactions and carbon reactions occur in different cells,so oxygen does not come into contact with rubisco.E) C) and D)
F) B) and C) D

Question 19

The energy source for photosynthesis is

Accepted Answer

A)  oxygen.
B)  sunlight.
C)  carbon dioxide.
D)  chlorophyll.
E)  glucosE.F) All of the above
G) A) and D)

Question 20

What is produced in the light reactions that is used in the carbon reactions of photosynthesis?

Accepted Answer

A)  ATP and NADPH
B)  ADP and NADP+
C)  carbon dioxide and oxygen
D)  water and glucose
E)  oxygen and glucoseF) C) and D)
G) A) and E)

Exam 5: Photosynthesis

In photosynthesis,the carbon in CO2 is _____ to form glucose.

Correct AnswerverifiedShow Answer

Electrons excited in photosystem II help the chloroplast produce

Correct AnswerverifiedShow Answer

Match the reactants of photosynthesis with the correct sources.

Correct AnswerverifiedShow Answer

Which organism's life depends on photosynthesis?

Correct AnswerverifiedShow Answer

Burning wood is a reverse reaction of photosynthesis,so what products would be formed?

Correct AnswerverifiedShow Answer

Photosystem I and photosystem II are part of

Correct AnswerverifiedShow Answer

Water interacts with the machinery of photosynthesis at photosystem II.

Correct AnswerverifiedShow Answer

The light reactions provide energy to run the carbon reactions' production of carbohydrate.

Correct AnswerverifiedShow Answer

Examples of photosynthetic accessory pigments are

Correct AnswerverifiedShow Answer

The product of photosystem I is

Correct AnswerverifiedShow Answer

Organisms that gain energy by consuming preexisting organic molecules are called

Correct AnswerverifiedShow Answer

How do CAM plants minimize photorespiration?

Correct AnswerverifiedShow Answer

For many plants to grow well in hot,dry weather,they must be watered so their stomata will remain open for longer periods of time to let in oxygen.

Correct AnswerverifiedFalse

The carbon reactions can run on their own without the light reactions.

Correct AnswerverifiedShow Answer

Most biologists agree that the light reactions are less important than the carbon reactions.

Correct AnswerverifiedFalse

The carbon reactions produce ATP and NADPH.

Correct AnswerverifiedShow Answer

The primary pigment molecule needed for photosynthesis is

Correct AnswerverifiedShow Answer

How do C4 plants minimize photorespiration?

Correct AnswerverifiedD

The energy source for photosynthesis is

Correct AnswerverifiedShow Answer

What is produced in the light reactions that is used in the carbon reactions of photosynthesis?

Correct AnswerverifiedShow Answer

In photosynthesis,the carbon in CO₂ is _____ to form glucose.

Correct Answer
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False

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False

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How do C₄ plants minimize photorespiration?

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D

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