Question 1

Stoma open at night in plants that use _______ photosynthesis.

Accepted Answer

crassulacean acid metabolism or CAM

Question 2

The Calvin cycle is also called C3 photosynthesis because the first molecule produced in the process is a __________-carbon molecule.

Accepted Answer

Question 3

C4 photosynthesis is an adaptation to hot,dry conditions in which

Accepted Answer

A)   CO2 is fixed and concentrated in the leaf.
B)   water is stored in the stem.
C)   oxygen is stored in the root.
D)   light energy is stored in chloroplasts.E) B) and C)
F) All of the above

Question 4

The main products of photosynthesis are

Accepted Answer

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

Question 5

Which of the following is not located on a thylakoid membrane?

Accepted Answer

A)   Rubisco
B)   Chlorophyll
C)   Photosystem
D)   Electron transport system
E)   ATP synthaseF) None of the above
G) All of the above

Question 6

What is photorespiration and under what conditions does it occur?

Accepted Answer

Photorespiration is a metabolic process ...

Question 7

_____________,which is generated by the light-dependent reactions,provides a source of hydrogens and the energetic electrons needed to bind them to carbon atoms in the Calvin cycle.

Accepted Answer

The answer of _____________,which is generated by the light-dependent reactions,provides...

Question 8

During photosynthesis,ATP molecules are directly generated by

Accepted Answer

A)   the Calvin cycle.
B)   chemiosmosis.
C)   the splitting of water.
D)   light striking the chlorophyll molecules.E) A) and C)
F) B) and C)

Question 9

Inside the inner membranes of chloroplasts,chlorophyll pigments are grouped into a light-gathering complex called a ________________.

Accepted Answer

The answer of Inside the inner membranes of chloroplasts,chlorophyll pigments...

Question 10

How much of the radiant energy from the sun is incorporated into organic compounds in the process of photosynthesis?

Accepted Answer

A)   Almost 90%
B)   50%
C)   25%
D)   1% or lessE) A) and B)
F) A) and C)

Question 11

After hydrogens and electrons are stripped from NADPH,NADP+ is regenerated and can be used again in the

Accepted Answer

A)   antenna complex.
B)   the Calvin cycle.
C)   the Krebs cycle.
D)   the light-dependent reactions.
E)   the light-independent reactions.F) A) and E)
G) A) and D)

Question 12

Light energy arrives at earth in tiny packets called

Accepted Answer

A)   rays.
B)   photons.
C)   light waves.
D)   wavelengths.E) A) and B)
F) All of the above

Question 13

How many turns of the Calvin cycle are needed to make one glucose molecule?

Accepted Answer

A)   1
B)   2
C)   3
D)   5
E)   6F) C) and D)
G) A) and C) E

Question 14

Within the photosystem,the key chlorophyll molecule that donates a high-energy electron to the electron transport system is called the

Accepted Answer

A)   proton pump.
B)   ATP synthase.
C)   rubisco.
D)   reaction center.
E)   retinal.F) C) and E)
G) A) and B)

Question 15

The overall purpose of the Calvin cycle is to

Accepted Answer

A)   generate molecules of ATP.
B)   generate NADP.
C)   give off oxygen for animal use.
D)   build organic molecules.E) A) and B)
F) A) and C)

Question 16

Which wavelength of light is the shortest?

Accepted Answer

A)   Gamma rays
B)   X-rays
C)   UV light
D)   Visible light
E)   InfraredF) B) and D)
G) None of the above

Question 17

Which of the following does not conduct photosynthesis?

Accepted Answer

A)   Algae
B)   Leaves of plants
C)   Some bacteria
D)   Roots of plants
E)   None of the choices are correct.F) C) and E)
G) C) and D) D

Question 18

Within chloroplasts,the fluid-like matrix in which the Calvin cycle occurs is called

Accepted Answer

A)   thylakoids.
B)   grana.
C)   stroma.
D)   mesophyll.E) B) and D)
F) All of the above

Question 19

Molecules that absorb light energy are called

Accepted Answer

A)   pigments.
B)   thylakoids.
C)   enzymes.
D)   electron transport systems.
E)   grana.F) A) and E)
G) None of the above

Question 20

Three turns of the Calvin cycle produces

Accepted Answer

A)   glucose.
B)   oxygen.
C)   glyceraldehyde 3-phosphate.
D)   rubisco.
E)   3-phosphoglyerate.F) C) and D)
G) A) and C)

Exam 6: Photosynthesis: Acquiring Energy From the Sun

Stoma open at night in plants that use _______ photosynthesis.

Correct Answerverifiedcrassulacean acid metabolism or CAM

The Calvin cycle is also called C3 photosynthesis because the first molecule produced in the process is a __________-carbon molecule.

Correct AnswerverifiedShow Answer

C4 photosynthesis is an adaptation to hot,dry conditions in which

Correct AnswerverifiedShow Answer

The main products of photosynthesis are

Correct AnswerverifiedShow Answer

Which of the following is not located on a thylakoid membrane?

Correct AnswerverifiedShow Answer

What is photorespiration and under what conditions does it occur?

Correct AnswerAnswered by ExamLex AIPhotorespiration is a metabolic process ...View AnswerShow Answer

_____________,which is generated by the light-dependent reactions,provides a source of hydrogens and the energetic electrons needed to bind them to carbon atoms in the Calvin cycle.

Correct AnswerverifiedShow Answer

During photosynthesis,ATP molecules are directly generated by

Correct AnswerverifiedShow Answer

Inside the inner membranes of chloroplasts,chlorophyll pigments are grouped into a light-gathering complex called a ________________.

Correct AnswerverifiedShow Answer

How much of the radiant energy from the sun is incorporated into organic compounds in the process of photosynthesis?

Correct AnswerverifiedShow Answer

After hydrogens and electrons are stripped from NADPH,NADP+ is regenerated and can be used again in the

Correct AnswerverifiedShow Answer

Light energy arrives at earth in tiny packets called

Correct AnswerverifiedShow Answer

How many turns of the Calvin cycle are needed to make one glucose molecule?

Correct AnswerverifiedE

Within the photosystem,the key chlorophyll molecule that donates a high-energy electron to the electron transport system is called the

Correct AnswerverifiedShow Answer

The overall purpose of the Calvin cycle is to

Correct AnswerverifiedShow Answer

Which wavelength of light is the shortest?

Correct AnswerverifiedShow Answer

Which of the following does not conduct photosynthesis?

Correct AnswerverifiedD

Within chloroplasts,the fluid-like matrix in which the Calvin cycle occurs is called

Correct AnswerverifiedShow Answer

Molecules that absorb light energy are called

Correct AnswerverifiedShow Answer

Three turns of the Calvin cycle produces

Correct AnswerverifiedShow Answer

Correct Answer
verified
crassulacean acid metabolism or CAM

The Calvin cycle is also called C₃ photosynthesis because the first molecule produced in the process is a __________-carbon molecule.

Correct Answer
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C₄ photosynthesis is an adaptation to hot,dry conditions in which

Correct Answer
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Correct Answer
Answered by ExamLex AI
Photorespiration is a metabolic process ...
View Answer

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After hydrogens and electrons are stripped from NADPH,NADP⁺ is regenerated and can be used again in the

Correct Answer
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E

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D

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