Question 1

If oxygen could be traced,the oxygen in the water in a leaf would end up in carbohydrates after photosynthesis.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

In algae and plants,photosynthesis takes place in the

Accepted Answer

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

Question 4

Reactants in a chemical reaction are the molecules that are assembled together or broken down to form products.The reactants in photosynthesis are

Accepted Answer

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

Question 5

Match between columns
                        Premises: carbon dioxide
water
energy

Accepted Answer

The Answer of absorption through roots and captured from wavelengths is...

Question 6

The reactions of photosynthesis are summarized as

Accepted Answer

A)  6CO₂ + 6H₂O C₆H₁₂O₆ + 6O₂. 
B)  6CO + 6H₂O C₆H₁₂O₆ + 6H₂O. 
C)  12CO₂ + 6H₂O C₁₂H₁₂O₆ + 6H₂O. 
D)  6CO + 6H₂O C₆H₁₂O₆ + 6O₂. 
E)  No answer is correct. 
A)  6CO₂ + 6H₂O C₆H₁₂O₆ + 6O₂. 
B)  6CO + 6H₂O C₆H₁₂O₆ + 6H₂O. 
C)  12CO₂ + 6H₂O C₁₂H₁₂O₆ + 6H₂O. 
D)  6CO + 6H₂O C₆H₁₂O₆ + 6O₂. 
E)  No answer is correct.

Question 7

If you were conducting research on the functioning of a stoma (plural: stomata)to suit your awake-at-night personality,with which plants would you choose to work?
A) CAM
B) C?
C) C?
D) CAM or C?
E) C? or C?

Accepted Answer

If you are a night owl and prefer to con

Question 8

Electrons excited in photosystem II help the chloroplast produce

Accepted Answer

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

Question 9

The product of photosystem I is

Accepted Answer

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

Question 10

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 oxygen.

Accepted Answer

A) True 
 B)False

Question 11

Most biologists agree that the light reactions are less important than the carbon reactions.

Accepted Answer

A) True 
 B)False

Question 12

Examples of photosynthetic accessory pigments are

Accepted Answer

A)  chlorophyll b and carotenoids. 
B)  chlorophyll a and carotenoids. 
C)  chlorophyll a and chlorophyll b. 
D)  carotenoids and DNA. 
E)  chlorophyll b and DNA. 
A)  chlorophyll b and carotenoids. 
B)  chlorophyll a and carotenoids. 
C)  chlorophyll a and chlorophyll b. 
D)  carotenoids and DNA. 
E)  chlorophyll b and DNA.

Question 13

If you were placing orders for experiments with rubisco,you would need ribulose bisphosphate and what other molecule to conduct the experiments?

Accepted Answer

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

Question 14

The energy source for photosynthesis is

Accepted Answer

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

Question 15

Rubisco catalyzes the fixation of CO₂ with ribulose bisphosphate in the first step of the Calvin cycle.

Accepted Answer

A) True 
 B)False

Question 16

Organisms that gain energy by consuming preexisting organic molecules are called

Accepted Answer

A)  heterotrophs. 
B)  autotrophs. 
C)  animorphs. 
D)  plants. 
E)  None of the answer choices are correct. 
A)  heterotrophs. 
B)  autotrophs. 
C)  animorphs. 
D)  plants. 
E)  None of the answer choices are correct.

Question 17

Of the following organisms,which one does not use photosynthesis to convert CO₂ and water into glucose?

Accepted Answer

A)  algae 
B)  oak trees 
C)  humans 
D)  some bacteria 
E)  a flowering plant 
A)  algae 
B)  oak trees 
C)  humans 
D)  some bacteria 
E)  a flowering plant

Question 18

Herbicides may kill plants by

Accepted Answer

A)  blocking carotenoid synthesis. 
B)  blocking electron flow in photosystem II. 
C)  diverting electrons away from photosystem I. 
D)  interfering with amino acid synthesis. 
E)  All of the answer choices are correct. 
A)  blocking carotenoid synthesis. 
B)  blocking electron flow in photosystem II. 
C)  diverting electrons away from photosystem I. 
D)  interfering with amino acid synthesis. 
E)  All of the answer choices are correct.

Question 19

The Calvin cycle is a

Accepted Answer

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

Exam 5: Photosynthesis

If oxygen could be traced,the oxygen in the water in a leaf would end up in carbohydrates after photosynthesis.

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

In algae and plants,photosynthesis takes place in the

Reactants in a chemical reaction are the molecules that are assembled together or broken down to form products.The reactants in photosynthesis are

The reactions of photosynthesis are summarized as

If you were conducting research on the functioning of a stoma (plural: stomata)to suit your awake-at-night personality,with which plants would you choose to work? A) CAM B) C? C) C? D) CAM or C? E) C? or C?

Electrons excited in photosystem II help the chloroplast produce

The product of photosystem I is

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 oxygen.

Most biologists agree that the light reactions are less important than the carbon reactions.

Examples of photosynthetic accessory pigments are

If you were placing orders for experiments with rubisco,you would need ribulose bisphosphate and what other molecule to conduct the experiments?

The energy source for photosynthesis is

Rubisco catalyzes the fixation of CO₂ with ribulose bisphosphate in the first step of the Calvin cycle.

Organisms that gain energy by consuming preexisting organic molecules are called

Of the following organisms,which one does not use photosynthesis to convert CO₂ and water into glucose?

Herbicides may kill plants by

The Calvin cycle is a

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