Question 1

Which wavelength of light is the shortest?

Accepted Answer

A)  Gamma rays
B)  X-rays
C)  UV light
D)  Visible light
E)  InfraredF) A) and D)
G) D) and E)

Question 2

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

Question 3

What is the metal ion in chlorophyll?

Accepted Answer

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

Question 4

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 5

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 photosynthesis.F) C) and D)
G) A) and D) C

Question 6

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 are correctF) All of the above
G) A) and B)

Question 7

The substrates for photosynthesis are

Accepted Answer

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

Question 8

Which of the following is not present during the Calvin cycle?

Accepted Answer

A)  ATP
B)  CO2
C)  NADPH
D)  O2
E)  All are present during the Calvin cycleF) A) and B)
G) A) and C)

Question 9

What is the purpose of accessory pigments,such as carotenoids,in photosynthesis?

Accepted Answer

Accessory pigments can pick up different...

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) None of the above
F) A) and B)

Question 11

The production of ATP in photosynthesis is called

Accepted Answer

A)  catabolism.
B)  oxidative phosphorylation.
C)  photophosphorylation.
D)  the Calvin cycle.
E)  photorespiration.F) B) and C)
G) A) and E)

Question 12

A pigment appears red if it absorbs red light.

Accepted Answer

A) True 
 B)False

Question 13

For every 3 molecules of CO2 that enter the Calvin cycle,one molecule of __________________ is produced.

Accepted Answer

glyceralde...

Question 14

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

Accepted Answer

photosystem

Question 15

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 16

Most of the atmospheric oxygen occurs as a result of photosynthesis.From which of the following molecules is the oxygen derived?

Accepted Answer

A)  Carbon dioxide
B)  Water
C)  Glucose
D)  Chlorophyll
E)  NADHF) A) and D)
G) A) and C) B

Question 17

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) molecules.E) A) and B)
F) A) and C)

Question 18

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

Accepted Answer

A)  CO2 is fixed and stored 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 19

Light energy arrives at earth in little packets called

Accepted Answer

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

Question 20

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)  chlorophyll.F) A) and C)
G) A) and E)

Exam 6: Photosynthesis: Acquiring Energy From the Sun

Which wavelength of light is the shortest?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the metal ion in chlorophyll?

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

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

Correct AnswerverifiedC

Which of the following does not do photosynthesis?

Correct AnswerverifiedShow Answer

The substrates for photosynthesis are

Correct AnswerverifiedShow Answer

Which of the following is not present during the Calvin cycle?

Correct AnswerverifiedShow Answer

What is the purpose of accessory pigments,such as carotenoids,in photosynthesis?

Correct AnswerverifiedAccessory pigments can pick up different...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

The production of ATP in photosynthesis is called

Correct AnswerverifiedShow Answer

A pigment appears red if it absorbs red light.

Correct AnswerverifiedShow Answer

For every 3 molecules of CO2 that enter the Calvin cycle,one molecule of __________________ is produced.

Correct Answerverifiedglyceralde...View AnswerShow Answer

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

Correct Answerverifiedphotosystem

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

Correct AnswerverifiedShow Answer

Most of the atmospheric oxygen occurs as a result of photosynthesis.From which of the following molecules is the oxygen derived?

Correct AnswerverifiedB

The overall purpose of the Calvin cycle is to

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Light energy arrives at earth in little packets called

Correct AnswerverifiedShow Answer

The energy to power the Calvin cycle comes from

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Accessory pigments can pick up different...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

For every 3 molecules of CO₂ that enter the Calvin cycle,one molecule of __________________ is produced.

Correct Answer
verified
glyceralde...
View Answer

Correct Answer
verified
photosystem

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified