Question 1

In the section "Investigating Life: Solar-Powered Sea Slugs",the sea slug Elysia chlorotica is green because it contains

Accepted Answer

A)  enzymes that produce green light.
B)  heme.
C)  algal chromosomes.
D)  pigments that reflect red and blue light.
E)  chlorophyll.F) B) and E)
G) All of the above

Question 2

When water is in short supply,plants _____ their stomata which _____ gas exchange.

Accepted Answer

A)  close,decreases
B)  open,decreases
C)  close,increases
D)  open,increasesE) None of the above
F) B) and D)

Question 3

The Calvin cycle

Accepted Answer

A)  is a cyclic pathway that produces three-carbon carbohydrates from CO2.
B)  is a linear pathway that produces three-carbon carbohydrates from CO2.
C)  is a cyclic pathway that produces ATP and NADPH.
D)  is a linear pathway that produces ATP and NADPH.E) C) and D)
F) B) and D)

Question 4

What is released at each step of an electron transport chain?

Accepted Answer

A)  ultraviolet wavelengths
B)  electrons
C)  photons
D)  energy
E)  All answers are correct.F) All of the above
G) C) and D)

Question 5

Match the reactants of photosynthesis with the correct sources.
 1. energy $\quad $ $\quad $ $\quad $ $\quad $ $\quad $gas exchange through stomata
2. carbon dioxide $\quad $ $\quad $ $\quad $ $\quad $ absorption through roots
3. water  $\quad $ $\quad $ $\quad $ $\quad $ $\quad $ $\quad $captured from wavelengths of light

Accepted Answer

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

Question 6

The reactant (reactants) of photosynthesis is (are)

Accepted Answer

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

Question 7

In the section "Investigating Life: Solar-Powered Sea Slugs",chloroplast DNA encodes less than 10% of the proteins required for photosynthesis;the remaining proteins are encoded by DNA in plant nuclei.Elysia chlorotica sea slugs are able to photosynthesize with chloroplasts from the algae they consume.How did the scientists rule out that the chloroplasts could function outside of a host cell?

Accepted Answer

A)  The chloroplast chromosomes were missing a key gene for photosystem II.
B)  They shined light on the chloroplasts and measured oxygen production.
C)  They found the algal photosystem II gene in the sea slug chromosomes.
D)  They did NOT find the photosystem II gene in the puffer fish chromosomes.
E)  They injected the chloroplasts into a heterotrophic bacteria and successfully performed photosynthesis.F) B) and D)
G) B) and E)

Question 8

The main byproduct of photosynthesis that is essential to most life forms is

Accepted Answer

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

Question 9

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

Accepted Answer

A)  respired
B)  oxidized
C)  reduced
D)  energized
E)  broken downF) C) and D)
G) B) and C)

Question 10

The carbon atoms in the cellulose of a wood log originally came from _____ absorbed by the plant.

Accepted Answer

A)  glucose
B)  carbon dioxide
C)  nutrients in the soil
D)  water
E)  oxygenF) A) and B)
G) A) and C) B

Question 11

Most biologists agree that the most important metabolic pathway of living organisms is photosynthesis because its products directly or indirectly affect most living organisms.

Accepted Answer

A) True 
 B)False

Question 12

Burning wood is a reverse reaction of photosynthesis.What products are formed from burning wood?

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 D)
G) None of the above

Question 13

A plant performing photosynthesis will produce ____ and consume _____.

Accepted Answer

A)  water;carbon dioxide
B)  water;oxygen
C)  oxygen;carbon dioxide
D)  carbon dioxide;oxygen
E)  carbon dioxide;waterF) All of the above
G) A) and B)

Question 14

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) A) and D)
G) B) and E)

Question 15

The light reactions of photosynthesis can occur in the day and night.

Accepted Answer

A) True 
 B)False  False

Question 16

What part of the chloroplast has photosynthetic pigments in its membrane?

Accepted Answer

A)  granum
B)  mesophyll
C)  chlorophyll
D)  thylakoid
E)  stromaF) A) and B)
G) A) and C)

Question 17

Which of the following is NOT a net product or reactant of photosynthesis?

Accepted Answer

A)  carbon dioxide
B)  glucose
C)  sunlight
D)  ATP
E)  oxygenF) C) and D)
G) A) and B)

Question 18

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 carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 19

Electrons excited in photosystem I help the chloroplast produce

Accepted Answer

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

Question 20

Plants require water for transpiration,metabolism,and photosynthesis.How is water used in photosynthesis?

Accepted Answer

A)  as a substrate for ATP synthase
B)  as an electron acceptor
C)  to combine with ADP forming ATP
D)  to combine with NADP+ to form NADPH
E)  as an electron donorF) A) and D)
G) A) and C)

Exam 5: Photosynthesis

In the section "Investigating Life: Solar-Powered Sea Slugs",the sea slug Elysia chlorotica is green because it contains

Correct Answer
verified

When water is in short supply,plants _ their stomata which _ gas exchange.

Correct Answer
verified

The Calvin cycle

Correct Answer
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What is released at each step of an electron transport chain?

Correct Answer
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Correct Answer
verified
11ea77fb_511f_3de2_a67b_d3d9ec5f33d8_TB4114_00

The reactant (reactants) of photosynthesis is (are)

Correct Answer
verified

Correct Answer
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The main byproduct of photosynthesis that is essential to most life forms is

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

Correct Answer
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The carbon atoms in the cellulose of a wood log originally came from _____ absorbed by the plant.

Correct Answer
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B

Most biologists agree that the most important metabolic pathway of living organisms is photosynthesis because its products directly or indirectly affect most living organisms.

Correct Answer
verified

Burning wood is a reverse reaction of photosynthesis.What products are formed from burning wood?

Correct Answer
verified

A plant performing photosynthesis will produce and consume _.

Correct Answer
verified

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

Correct Answer
verified

The light reactions of photosynthesis can occur in the day and night.

Correct Answer
verified
False

What part of the chloroplast has photosynthetic pigments in its membrane?

Correct Answer
verified

Which of the following is NOT a net product or reactant of photosynthesis?

Correct Answer
verified

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 carbon dioxide.

Correct Answer
verified

Electrons excited in photosystem I help the chloroplast produce

Correct Answer
verified

Plants require water for transpiration,metabolism,and photosynthesis.How is water used in photosynthesis?

Correct Answer
verified

Exam 5: Photosynthesis

In the section "Investigating Life: Solar-Powered Sea Slugs",the sea slug Elysia chlorotica is green because it contains

Correct AnswerverifiedShow Answer

When water is in short supply,plants _____ their stomata which _____ gas exchange.

Correct AnswerverifiedShow Answer

The Calvin cycle

Correct AnswerverifiedShow Answer

What is released at each step of an electron transport chain?

Correct AnswerverifiedShow Answer

Match the reactants of photosynthesis with the correct sources. 1. energy \quad \quad \quad \quad \quad gas exchange through stomata 2. carbon dioxide \quad \quad \quad \quad absorption through roots 3. water \quad \quad \quad \quad \quad \quad captured from wavelengths of light

Correct Answerverified11ea77fb_511f_3de2_a67b_d3d9ec5f33d8_TB4114_00

The reactant (reactants) of photosynthesis is (are)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The main byproduct of photosynthesis that is essential to most life forms is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The carbon atoms in the cellulose of a wood log originally came from _____ absorbed by the plant.

Correct AnswerverifiedB

Most biologists agree that the most important metabolic pathway of living organisms is photosynthesis because its products directly or indirectly affect most living organisms.

Correct AnswerverifiedShow Answer

Burning wood is a reverse reaction of photosynthesis.What products are formed from burning wood?

Correct AnswerverifiedShow Answer

A plant performing photosynthesis will produce ____ and consume _____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The light reactions of photosynthesis can occur in the day and night.

Correct AnswerverifiedFalse

What part of the chloroplast has photosynthetic pigments in its membrane?

Correct AnswerverifiedShow Answer

Which of the following is NOT a net product or reactant of photosynthesis?

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 carbon dioxide.

Correct AnswerverifiedShow Answer

Electrons excited in photosystem I help the chloroplast produce

Correct AnswerverifiedShow Answer

Plants require water for transpiration,metabolism,and photosynthesis.How is water used in photosynthesis?

Correct AnswerverifiedShow Answer

Correct Answer
verified

When water is in short supply,plants _ their stomata which _ gas exchange.

Correct Answer
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11ea77fb_511f_3de2_a67b_d3d9ec5f33d8_TB4114_00

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verified

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

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B

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A plant performing photosynthesis will produce and consume _.

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False

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