Question 1

The energy source for the light reactions is _____;the energy source for the carbon reactions is ______.

Accepted Answer

A)  ATP,carbon dioxide
B)  sunlight,carbon dioxide
C)  sunlight,ATP
D)  ATP,oxygen
E)  Sunlight serves as the energy source for both sets of photosynthetic reactions.

Question 2

The sea slug Elysia chlorotica benefits from both light and carbon reactions 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.

Question 3

If you were looking to change your work on stomata to suit your awake-at-night personality,with which plants would you choose to work?

Accepted Answer

A)  CAM
B)  C3
C)  C4
D)  CAM or C3
E)  C3 or C4

Question 4

What is the gelatinous matrix inside chloroplasts that contains ribosomes,DNA,and enzymes?

Accepted Answer

A)  granum
B)  chlorophyll
C)  thylakoid
D)  stroma
E)  mitochondria

Question 5

Without photosynthesis,iron objects would rust slowly or not at all.

Accepted Answer

A) True 
 B)False

Question 6

The carbon reactions produce NADPH,while the light reactions consume it.

Accepted Answer

A) True 
 B)False

Question 7

In photosynthesis,the oxygen atoms in H2O are

Accepted Answer

A)  energized.
B)  reduced.
C)  reformed into other elements.
D)  oxidizeD.
E)  broken down.

Question 8

Which plants are best suited to cool,wet conditions?

Accepted Answer

A)  C4
B)  C3
C)  CAM
D)  All types are equally suiteD.

Question 9

Photosynthesis

Accepted Answer

A)  is not dependent on chlorophyll.
B)  does not involve oxidation-reduction reactions.
C)  produces water and carbon dioxide.
D)  produces glucose and oxygen.
E)  No answer is correct.

Question 10

The light reactions harvest _______,while the carbon reactions produce _______.

Accepted Answer

A)  energy,carbohydrates
B)  energy,phosphate
C)  phosphate,carbohydrate
D)  energy,nucleic acids
E)  lipids,nucleic acids

Question 11

Why are accessory pigments necessary in photosystems?

Accepted Answer

A)  They capture a wider spectrum of wavelengths of light.
B)  They donate electrons to the reaction center.
C)  They split water into hydrogen ions and oxygen.
D)  They conduct the carbon reactions of photosynthesis.

Question 12

Match the steps of photosynthesis with the correct descriptions.

Accepted Answer

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

Question 13

Without photosynthesis,autotrophs would be more abundant.

Accepted Answer

A) True 
 B)False

Question 14

In what organelle does photosynthesis take place in algae and plants?

Accepted Answer

A)  chloroplast
B)  mitochondrion
C)  ribosome
D)  nucleus
E)  lysosome

Question 15

Leaves of many plants change colors in the fall because

Accepted Answer

A)  the cooler weather causes plants to produce more of the accessory photosynthetic pigments.
B)  chlorophyll in the leaves degrades with shorter days and cooler temperatures.
C)  the decrease in daylight hours causes the plant to produce more of the accessory photosynthetic pigments.
D)  plants produce more chlorophyll.
E)  All answers are correct.

Question 16

What is a product of reactions that take place at photosystem II?

Accepted Answer

A)  NADPH
B)  water
C)  oxygen
D)  ADP
E)  glucose

Question 17

Plants need water to fill their cells and to perform the light reactions.

Accepted Answer

A) True 
 B)False

Question 18

Electrons from water are used to replenish those removed frm chlorophyll during the light reactions.

Accepted Answer

A) True 
 B)False

Question 19

Green and yellow wavelengths of light are used to power photosynthesis.

Accepted Answer

A) True 
 B)False

Question 20

If you were placing orders for experiments with rubsico,for the first part of your work you would need to get what besides ribulose bisphosphate?

Accepted Answer

A)  glucose
B)  ATP
C)  carbon monoxide
D)  organic compounds
E)  carbon dioxide

Exam 5: Photosynthesis

What is a product of reactions that take place at photosystem II?

Correct AnswerverifiedShow Answer

The energy source for the light reactions is _____;the energy source for the carbon reactions is ______.

Correct AnswerverifiedShow Answer

Without photosynthesis,autotrophs would be more abundant.

Correct AnswerverifiedShow Answer

The sea slug Elysia chlorotica benefits from both light and carbon reactions because it contains

Correct AnswerverifiedShow Answer

Green and yellow wavelengths of light are used to power photosynthesis.

Correct AnswerverifiedShow Answer

Which plants are best suited to cool,wet conditions?

Correct AnswerverifiedShow Answer

The light reactions harvest _______,while the carbon reactions produce _______.

Correct AnswerverifiedShow Answer

Photosynthesis

Correct AnswerverifiedShow Answer

Without photosynthesis,iron objects would rust slowly or not at all.

Correct AnswerverifiedShow Answer

If you were looking to change your work on stomata to suit your awake-at-night personality,with which plants would you choose to work?

Correct AnswerverifiedShow Answer

What is the gelatinous matrix inside chloroplasts that contains ribosomes,DNA,and enzymes?

Correct AnswerverifiedShow Answer

Why are accessory pigments necessary in photosystems?

Correct AnswerverifiedShow Answer

In what organelle does photosynthesis take place in algae and plants?

Correct AnswerverifiedShow Answer

Leaves of many plants change colors in the fall because

Correct AnswerverifiedShow Answer

Plants need water to fill their cells and to perform the light reactions.

Correct AnswerverifiedShow Answer

In photosynthesis,the oxygen atoms in H2O are

Correct AnswerverifiedShow Answer

If you were placing orders for experiments with rubsico,for the first part of your work you would need to get what besides ribulose bisphosphate?

Correct AnswerverifiedShow Answer

Electrons from water are used to replenish those removed frm chlorophyll during the light reactions.

Correct AnswerverifiedShow Answer

Match the steps of photosynthesis with the correct descriptions.

Correct AnswerverifiedShow Answer

The carbon reactions produce NADPH,while the light reactions consume it.

Correct AnswerverifiedShow Answer

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The energy source for the light reactions is _;the energy source for the carbon reactions is __.

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The light reactions harvest _,while the carbon reactions produce _.

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In photosynthesis,the oxygen atoms in H₂O are

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