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Light Independent Reactions in Photosynthesis — Quiz Answers

19 verified answers2 views
1
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What is required for both the light-dependent and light-independent reactions to proceed?

A
energy
B
CO sub 2
C
ATP and NADPH
D
water
2
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What is the source of the carbon dioxide that is used in photosynthesis?

A
the plant
B
sunlight
C
the soil
D
the atmosphere
3

In which type of environment are plants most likely to use a cap c sub 4 pathway of carbon fixation?

A
cold and wet
B
hot and dry
C
cold and dry
D
hot and wet
4

Which is required for the light-independent reactions in photosynthesis to occur?

A
sunlight
B
oxygen
C
water
D
carbon dioxide
5

Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis?

A
ATP
B
PGA
C
NADPH
D
RuBP
6

Which compound is produced during regeneration?

A
RuBP
B
PGA
C
G3P
D
rubisco
7

During reduction, PGA reacts with ATP and NADPH. What does ATP contribute to the reaction?

A
hydrogen ions
B
phosphate group
C
electrons
D
carbon
8

Which is an important difference between light-dependent (L-D) and light-independent (L-IND) reactions in photosynthesis?

A
The L-D reactions can only occur during daylight, and the L-IND reactions can only occur during the night.
B
The L-D reactions need CO sub 2 and light energy, and the L-IND reactions needs water and cap o sub 2 .
C
The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH, and CO sub 2 .
D
The L-D reactions need water and CO sub 2 , and the L-IND reactions need CO sub 2 and light.
9

How do ATP and NADPH connect light-dependent and light-independent reactions in photosynthesis?

A
ATP and NADPH are produced in the light-independent reactions and used in the light-dependent reactions.
B
ATP and NADPH are used in both reactions.
C
ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions.
D
ATP and NADPH are produced in both reactions.
10

What is one role of ATP in the light-independent reaction of photosynthesis?

A
ATP produces CO sub 2 and cap o sub 2 molecules.
B
ATP is produced when water molecules are split and chlorophyll electrons are excited.
C
ATP supplies the energy to split water molecules.
D
ATP supplies the energy to produce glucose and other carbohydrates.
11

What is one role of ATP in the light-independent reaction of photosynthesis?

A
ATP supplies the energy to split water molecules.
B
ATP is produced when water molecules are split and chlorophyll electrons are excited.
C
ATP supplies the energy to produce glucose and other carbohydrates.
D
ATP produces CO sub 2 and cap o sub 2 molecules.
12

Which is an important difference between light-dependent (L-D) and light-independent (L-IND) reactions in photosynthesis?

A
The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH, and CO sub 2 .
B
The L-D reactions can only occur during daylight, and the L-IND reactions can only occur during the night.
C
The L-D reactions need CO sub 2 and light energy, and the L-IND reactions needs water and cap o sub 2 .
D
The L-D reactions need water and CO sub 2 , and the L-IND reactions need CO sub 2 and light.
13

What is required for both the light-dependent and light-independent reactions to proceed?

A
ATP and NADPH
B
energy
C
CO sub 2
D
water
14

How do ATP and NADPH connect light-dependent and light-independent reactions in photosynthesis?

A
ATP and NADPH are produced in the light-independent reactions and used in the light-dependent reactions.
B
ATP and NADPH are used in both reactions.
C
ATP and NADPH are produced in both reactions.
D
ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions.
15

During reduction, PGA reacts with ATP and NADPH. What does ATP contribute to the reaction?

A
carbon
B
hydrogen ions
C
electrons
D
phosphate group
16

Which compound is produced during regeneration?

A
RuBP
B
PGA
C
rubisco
D
G3P
17

What is the source of the carbon dioxide that is used in photosynthesis?

A
the soil
B
sunlight
C
the atmosphere
D
the plant
18

Which is required for the light-independent reactions in photosynthesis to occur?

A
carbon dioxide
B
oxygen
C
water
D
sunlight
19

In which type of environment are plants most likely to use a cap c sub 4 pathway of carbon fixation?

A
cold and dry
B
cold and wet
C
hot and wet
D
hot and dry

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