Question 1

What is the metal ion in chlorophyll?

Accepted Answer

A)   Magnesium
B)   Iron
C)   Zinc
D)   Copper
E)   SulfurF) A) and B)
G) A) and D)

Question 2

A photosystem transfers the excitation energy gathered by its pigment molecules to a specific chlorophyll at the reaction center.

Accepted Answer

A) True 
 B)False

Question 3

Carotenoids are important to many plants because these pigments are able to:

Accepted Answer

A)   remove carbon dioxide from the air
B)   absorb water so that hydrolysis can be carried out in the chloroplasts
C)   absorb violet and blue-green wavelengths of light that are not absorbed by chlorophyll
D)   capture UV radiation that is harmful to the DNA in the nucleus of plant cells
E)   store electrons for use during the "dark" reaction of photosynthesisF) A) and E)
G) A) and C)

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 oxygenF) None of the above
G) C) and D)

Question 5

Plants use ______ and _________ wavelengths of light and reflect the _______ wavelength.

Accepted Answer

A)   green,red,blue
B)   green,blue,red
C)   red,blue,green
D)   white,green,blue
E)   white,green,redF) D) and E)
G) B) and C)

Question 6

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 C)
F) A) and B)

Question 7

How are photosynthesis and cellular respiration intimately related?

Accepted Answer

Photosynthesis,carried out by chloroplas...

Question 8

The full range of energy in sunlight can best be described as:

Accepted Answer

A)   electromagnetic radiation
B)   visible light
C)   ultraviolet light
D)   infrared radiationE) A) and C)
F) A) and D)

Question 9

The energy to power the Calvin cycle comes from:

Accepted Answer

A)   cellular respiration
B)   the light-dependent reactions of photosynthesis
C)   the light-independent reactions of photosynthesis
D)   oxygen
E)   chlorophyllF) All of the above
G) A) and D)

Question 10

Which is incorrect about photosynthesis?

Accepted Answer

A)   The light reactions take place in the cytoplasm and the light-independent reactions occur in the chloroplast.
B)   The light-independent reactions don't require light but can occur in its presence.
C)   The light-dependent reactions produce NADPH and ATP.
D)   The light-dependent reactions release oxygen.
E)   Photosystems act as antenna to capture photons.F) B) and E)
G) A) and D)

Question 11

Molecules capable of absorbing lots of light are _______________.

Accepted Answer

The answer of Molecules capable of absorbing lots of light...

Question 12

Which of the following does not do photosynthesis?

Accepted Answer

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

Question 13

Thylakoids are stacked on top of one another into little piles called ______________.

Accepted Answer

The answer of Thylakoids are stacked on top of one...

Question 14

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 (carbon) moleculesE) A) and B)
F) None of the above

Question 15

Light energy arrives at earth in little packets called:

Accepted Answer

A)   rays
B)   photons
C)   light waves
D)   wavelengthsE) All of the above
F) A) and B)

Question 16

The internal membranes within the chloroplast are organized into flattened sacs called ____________.

Accepted Answer

The answer of The internal membranes within the chloroplast are...

Question 17

What are the three stages of photosynthesis? Which stages require light and which do not?

Accepted Answer

Capturing energy from sunlight...

Question 18

Explain the role that water plays in the light-dependent reactions.

Accepted Answer

Water is split in the light de...

Question 19

One turn of the Calvin cycle produces one molecule of:

Accepted Answer

A)   glucose
B)   oxygen
C)   glyceraldehyde 3-phosphate
D)   rubisco
E)   3-phosphoglycerateF) A) and E)
G) B) and E)

Question 20

The most abundant protein on earth is:

Accepted Answer

A)   cellulose
B)   rubisco
C)   ATPase
D)   NADPH
E)   chlorophyllF) A) and B)
G) A) and C)

Exam 6: Photosynthesis: Acquiring Energy From the Sun

Carotenoids are important to many plants because these pigments are able to:

Correct AnswerverifiedShow Answer

The internal membranes within the chloroplast are organized into flattened sacs called ____________.

Correct AnswerverifiedShow Answer

What are the three stages of photosynthesis? Which stages require light and which do not?

Correct AnswerverifiedCapturing energy from sunlight...View AnswerShow Answer

The energy to power the Calvin cycle comes from:

Correct AnswerverifiedShow Answer

One turn of the Calvin cycle produces one molecule of:

Correct AnswerverifiedShow Answer

Which of the following does not do photosynthesis?

Correct AnswerverifiedShow Answer

The full range of energy in sunlight can best be described as:

Correct AnswerverifiedShow Answer

How are photosynthesis and cellular respiration intimately related?

Correct AnswerverifiedPhotosynthesis,carried out by chloroplas...View AnswerShow Answer

Thylakoids are stacked on top of one another into little piles called ______________.

Correct AnswerverifiedShow Answer

Molecules capable of absorbing lots of light are _______________.

Correct AnswerverifiedShow Answer

What is the metal ion in chlorophyll?

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

Explain the role that water plays in the light-dependent reactions.

Correct AnswerverifiedWater is split in the light de...View AnswerShow Answer

The overall purpose of the Calvin cycle is to:

Correct AnswerverifiedShow Answer

Plants use ______ and _________ wavelengths of light and reflect the _______ wavelength.

Correct AnswerverifiedShow Answer

The main products of photosynthesis are:

Correct AnswerverifiedShow Answer

Light energy arrives at earth in little packets called:

Correct AnswerverifiedShow Answer

The most abundant protein on earth is:

Correct AnswerverifiedShow Answer

Which is incorrect about photosynthesis?

Correct AnswerverifiedShow Answer

A photosystem transfers the excitation energy gathered by its pigment molecules to a specific chlorophyll at the reaction center.

Correct AnswerverifiedShow Answer

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Capturing energy from sunlight...
View Answer

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Photosynthesis,carried out by chloroplas...
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Correct Answer
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Water is split in the light de...
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Plants use __ and _ wavelengths of light and reflect the ___ wavelength.

Correct Answer
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