06. C3 and C4 Pathway
Photosynthesis in higher plants

238102 Assertion (A) : $C_{4}$ plant loses only half of the water compared to $C_{3}$ plant for the same amount of $\mathrm{CO}_{2}$ fixed,
Reason (R) : $C_{4}$ photosynthetic system is evolved for maximizing the availability of $\mathrm{CO}_{2}$ while minimizing water loss

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, $\mathrm{R}$ is the correct explanation for $\mathrm{A}$.
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, but $\mathrm{R}$ is not the correct explanation for $\mathrm{A}$.
3 A is correct but $\mathrm{R}$ is incorrect.
4 A is incorrect but R is correct.
Photosynthesis in higher plants

238104 How many ATP and $\mathrm{NADPH}_{2}$ are required for the synthesis of one molecule of Glucose during Calvin cycle?

1 18 ATP and $16 \mathrm{NADPH}_{2}$
2 $12 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
3 $18 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
4 $12 \mathrm{ATP}$ and $16 \mathrm{NADPH}_{2}$
Photosynthesis in higher plants

238107 When one $\mathrm{CO}_{2}$ molecule is fixed as one molecule of triose phosphate, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase?

1 $1 \mathrm{ATP}+1 \mathrm{NADPH}$
2 $1 \mathrm{ATP}+2 \mathrm{NADPH}$
3 $2 \mathrm{ATP}+1 \mathrm{NADPH}$
4 $2 \mathrm{ATP}+2 \mathrm{NADPH}$
Photosynthesis in higher plants

238108 Identify the differences between $C_{3}$ and $C_{4}$ plants among the following characters

1 A, B, C
2 B, C, D
3 C, D, E
4 A, D, E
5 Anatomy of the leaf
Options:
Photosynthesis in higher plants

238110 Match the following lists:
{|c|c|c|}
| List-I | List-II | |
|---|---|---|
|(A) Sun light is essential to the plant process that purifies air fouled by breathing animals | I. | Melvin Calvin |
|(B) Bacteria were used to detect the sites of O2 evolution | II. | Sachs |
|(C) Evidence for the production of glucose | III. | Priestley |
|(D) Role of air in the growth of green plants | IV. | Ingenhousz |
| V. | Engelmann |
| VI. | Neil |
|
The correct match is:

1 A - IV B - I C - VI D - II
2 A - V B - II C - IV D - III
3 A - IV B - II C - V D - III
4 A - IV B - V C - II D - III
Photosynthesis in higher plants

238102 Assertion (A) : $C_{4}$ plant loses only half of the water compared to $C_{3}$ plant for the same amount of $\mathrm{CO}_{2}$ fixed,
Reason (R) : $C_{4}$ photosynthetic system is evolved for maximizing the availability of $\mathrm{CO}_{2}$ while minimizing water loss

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, $\mathrm{R}$ is the correct explanation for $\mathrm{A}$.
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, but $\mathrm{R}$ is not the correct explanation for $\mathrm{A}$.
3 A is correct but $\mathrm{R}$ is incorrect.
4 A is incorrect but R is correct.
Photosynthesis in higher plants

238104 How many ATP and $\mathrm{NADPH}_{2}$ are required for the synthesis of one molecule of Glucose during Calvin cycle?

1 18 ATP and $16 \mathrm{NADPH}_{2}$
2 $12 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
3 $18 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
4 $12 \mathrm{ATP}$ and $16 \mathrm{NADPH}_{2}$
Photosynthesis in higher plants

238107 When one $\mathrm{CO}_{2}$ molecule is fixed as one molecule of triose phosphate, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase?

1 $1 \mathrm{ATP}+1 \mathrm{NADPH}$
2 $1 \mathrm{ATP}+2 \mathrm{NADPH}$
3 $2 \mathrm{ATP}+1 \mathrm{NADPH}$
4 $2 \mathrm{ATP}+2 \mathrm{NADPH}$
Photosynthesis in higher plants

238108 Identify the differences between $C_{3}$ and $C_{4}$ plants among the following characters

1 A, B, C
2 B, C, D
3 C, D, E
4 A, D, E
5 Anatomy of the leaf
Options:
Photosynthesis in higher plants

238110 Match the following lists:
{|c|c|c|}
| List-I | List-II | |
|---|---|---|
|(A) Sun light is essential to the plant process that purifies air fouled by breathing animals | I. | Melvin Calvin |
|(B) Bacteria were used to detect the sites of O2 evolution | II. | Sachs |
|(C) Evidence for the production of glucose | III. | Priestley |
|(D) Role of air in the growth of green plants | IV. | Ingenhousz |
| V. | Engelmann |
| VI. | Neil |
|
The correct match is:

1 A - IV B - I C - VI D - II
2 A - V B - II C - IV D - III
3 A - IV B - II C - V D - III
4 A - IV B - V C - II D - III
Photosynthesis in higher plants

238102 Assertion (A) : $C_{4}$ plant loses only half of the water compared to $C_{3}$ plant for the same amount of $\mathrm{CO}_{2}$ fixed,
Reason (R) : $C_{4}$ photosynthetic system is evolved for maximizing the availability of $\mathrm{CO}_{2}$ while minimizing water loss

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, $\mathrm{R}$ is the correct explanation for $\mathrm{A}$.
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, but $\mathrm{R}$ is not the correct explanation for $\mathrm{A}$.
3 A is correct but $\mathrm{R}$ is incorrect.
4 A is incorrect but R is correct.
Photosynthesis in higher plants

238104 How many ATP and $\mathrm{NADPH}_{2}$ are required for the synthesis of one molecule of Glucose during Calvin cycle?

1 18 ATP and $16 \mathrm{NADPH}_{2}$
2 $12 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
3 $18 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
4 $12 \mathrm{ATP}$ and $16 \mathrm{NADPH}_{2}$
Photosynthesis in higher plants

238107 When one $\mathrm{CO}_{2}$ molecule is fixed as one molecule of triose phosphate, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase?

1 $1 \mathrm{ATP}+1 \mathrm{NADPH}$
2 $1 \mathrm{ATP}+2 \mathrm{NADPH}$
3 $2 \mathrm{ATP}+1 \mathrm{NADPH}$
4 $2 \mathrm{ATP}+2 \mathrm{NADPH}$
Photosynthesis in higher plants

238108 Identify the differences between $C_{3}$ and $C_{4}$ plants among the following characters

1 A, B, C
2 B, C, D
3 C, D, E
4 A, D, E
5 Anatomy of the leaf
Options:
Photosynthesis in higher plants

238110 Match the following lists:
{|c|c|c|}
| List-I | List-II | |
|---|---|---|
|(A) Sun light is essential to the plant process that purifies air fouled by breathing animals | I. | Melvin Calvin |
|(B) Bacteria were used to detect the sites of O2 evolution | II. | Sachs |
|(C) Evidence for the production of glucose | III. | Priestley |
|(D) Role of air in the growth of green plants | IV. | Ingenhousz |
| V. | Engelmann |
| VI. | Neil |
|
The correct match is:

1 A - IV B - I C - VI D - II
2 A - V B - II C - IV D - III
3 A - IV B - II C - V D - III
4 A - IV B - V C - II D - III
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Photosynthesis in higher plants

238102 Assertion (A) : $C_{4}$ plant loses only half of the water compared to $C_{3}$ plant for the same amount of $\mathrm{CO}_{2}$ fixed,
Reason (R) : $C_{4}$ photosynthetic system is evolved for maximizing the availability of $\mathrm{CO}_{2}$ while minimizing water loss

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, $\mathrm{R}$ is the correct explanation for $\mathrm{A}$.
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, but $\mathrm{R}$ is not the correct explanation for $\mathrm{A}$.
3 A is correct but $\mathrm{R}$ is incorrect.
4 A is incorrect but R is correct.
Photosynthesis in higher plants

238104 How many ATP and $\mathrm{NADPH}_{2}$ are required for the synthesis of one molecule of Glucose during Calvin cycle?

1 18 ATP and $16 \mathrm{NADPH}_{2}$
2 $12 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
3 $18 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
4 $12 \mathrm{ATP}$ and $16 \mathrm{NADPH}_{2}$
Photosynthesis in higher plants

238107 When one $\mathrm{CO}_{2}$ molecule is fixed as one molecule of triose phosphate, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase?

1 $1 \mathrm{ATP}+1 \mathrm{NADPH}$
2 $1 \mathrm{ATP}+2 \mathrm{NADPH}$
3 $2 \mathrm{ATP}+1 \mathrm{NADPH}$
4 $2 \mathrm{ATP}+2 \mathrm{NADPH}$
Photosynthesis in higher plants

238108 Identify the differences between $C_{3}$ and $C_{4}$ plants among the following characters

1 A, B, C
2 B, C, D
3 C, D, E
4 A, D, E
5 Anatomy of the leaf
Options:
Photosynthesis in higher plants

238110 Match the following lists:
{|c|c|c|}
| List-I | List-II | |
|---|---|---|
|(A) Sun light is essential to the plant process that purifies air fouled by breathing animals | I. | Melvin Calvin |
|(B) Bacteria were used to detect the sites of O2 evolution | II. | Sachs |
|(C) Evidence for the production of glucose | III. | Priestley |
|(D) Role of air in the growth of green plants | IV. | Ingenhousz |
| V. | Engelmann |
| VI. | Neil |
|
The correct match is:

1 A - IV B - I C - VI D - II
2 A - V B - II C - IV D - III
3 A - IV B - II C - V D - III
4 A - IV B - V C - II D - III
Photosynthesis in higher plants

238102 Assertion (A) : $C_{4}$ plant loses only half of the water compared to $C_{3}$ plant for the same amount of $\mathrm{CO}_{2}$ fixed,
Reason (R) : $C_{4}$ photosynthetic system is evolved for maximizing the availability of $\mathrm{CO}_{2}$ while minimizing water loss

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, $\mathrm{R}$ is the correct explanation for $\mathrm{A}$.
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct, but $\mathrm{R}$ is not the correct explanation for $\mathrm{A}$.
3 A is correct but $\mathrm{R}$ is incorrect.
4 A is incorrect but R is correct.
Photosynthesis in higher plants

238104 How many ATP and $\mathrm{NADPH}_{2}$ are required for the synthesis of one molecule of Glucose during Calvin cycle?

1 18 ATP and $16 \mathrm{NADPH}_{2}$
2 $12 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
3 $18 \mathrm{ATP}$ and $12 \mathrm{NADPH}_{2}$
4 $12 \mathrm{ATP}$ and $16 \mathrm{NADPH}_{2}$
Photosynthesis in higher plants

238107 When one $\mathrm{CO}_{2}$ molecule is fixed as one molecule of triose phosphate, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase?

1 $1 \mathrm{ATP}+1 \mathrm{NADPH}$
2 $1 \mathrm{ATP}+2 \mathrm{NADPH}$
3 $2 \mathrm{ATP}+1 \mathrm{NADPH}$
4 $2 \mathrm{ATP}+2 \mathrm{NADPH}$
Photosynthesis in higher plants

238108 Identify the differences between $C_{3}$ and $C_{4}$ plants among the following characters

1 A, B, C
2 B, C, D
3 C, D, E
4 A, D, E
5 Anatomy of the leaf
Options:
Photosynthesis in higher plants

238110 Match the following lists:
{|c|c|c|}
| List-I | List-II | |
|---|---|---|
|(A) Sun light is essential to the plant process that purifies air fouled by breathing animals | I. | Melvin Calvin |
|(B) Bacteria were used to detect the sites of O2 evolution | II. | Sachs |
|(C) Evidence for the production of glucose | III. | Priestley |
|(D) Role of air in the growth of green plants | IV. | Ingenhousz |
| V. | Engelmann |
| VI. | Neil |
|
The correct match is:

1 A - IV B - I C - VI D - II
2 A - V B - II C - IV D - III
3 A - IV B - II C - V D - III
4 A - IV B - V C - II D - III