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Q. No.Which of the following are required for the dark reaction of photosynthesis?
A: Light
B: Chlorophyll
C: CO2
D: ATP
E: NADPH
Choose the correct answer from the options given below:
1. B, C and D only
2. C, D and E only
3. D and E only
4. A, B and C only
A: Light
B: Chlorophyll
C: CO2
D: ATP
E: NADPH
Choose the correct answer from the options given below:
1. B, C and D only
2. C, D and E only
3. D and E only
4. A, B and C only
Subtopic: Â Dark Reaction: Biosynthetic Phase |Â Dark Reaction : Calvin Cycle |
 64%
From NCERT
NEET - 2024
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How many molecules of ATP and NADPH are required for every molecule of \(\text{CO}_2\) fixed in the Calvin cycle?
1. 2 molecules of ATP and 2 molecules of NADPH
2. 3 molecules of ATP and 3 molecules of NADPH
3. 3 molecules of ATP and 2 molecules of NADPH
4. 2 molecules of ATP and 3 molecules of NADPH
1. 2 molecules of ATP and 2 molecules of NADPH
2. 3 molecules of ATP and 3 molecules of NADPH
3. 3 molecules of ATP and 2 molecules of NADPH
4. 2 molecules of ATP and 3 molecules of NADPH
Subtopic: Â Dark Reaction : Calvin Cycle |
 76%
From NCERT
NEET - 2024
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Given below are two statements:
In the light of the above statements, choose the correct answer from the option given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
| Statement I: | In \(\text{C}_3\) plants, some \( \text{O}_2\) binds to \(\text{RuBisCO},\) hence \(\text{CO}_2\) fixation is decreased. |
| Statement II: | In \( \text{C}_4\) plants, mesophyll cells show very little photorespiration while bundle sheath cells do not show photorespiration. |
In the light of the above statements, choose the correct answer from the option given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
Subtopic: Â Dark Reaction : Calvin Cycle |Â C4 Cycle (Hatch & Slack Pathway) |Â Photorespiration |
 56%
From NCERT
NEET - 2024
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The photochemical phase of photosynthesis include:
A. Oxygen release
B. Formation of NADPH
C. Use of ATP
D. Water splitting
E. Carboxylation
Choose the correct answer from the options given below:
1. C and E only
2. A, B and D only
3. B, C and E only
4. A, B, C and D only
A. Oxygen release
B. Formation of NADPH
C. Use of ATP
D. Water splitting
E. Carboxylation
Choose the correct answer from the options given below:
1. C and E only
2. A, B and D only
3. B, C and E only
4. A, B, C and D only
Subtopic: Â Light Reaction: Electron Transport |
 67%
From NCERT
NEET - 2024
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Match List-I with List-II
Choose the correct answer from the options given below :
1. A-II, B-I, C-IV, D-III
2. A-IV, B-II, C-I, D-III
3. A-III, B-I, C-IV, D-II
4. A-III, B-IV, C-II, D-I
| List-I | List-II | ||
| A | C4 Pathway | I. | \(2\text{H}_2\text{O}\rightarrow4\text{H}^++\text{O}_2=4\text{e}^-\) |
| B. | Light reaction | II. | Ribulose 1,5-bisphosphate |
| C. | Photorespiration | III. | -carbon molecule phosphoenol |
| D. | Calvin cycle | IV. | Phosphoglycolate |
1. A-II, B-I, C-IV, D-III
2. A-IV, B-II, C-I, D-III
3. A-III, B-I, C-IV, D-II
4. A-III, B-IV, C-II, D-I
Subtopic: Â Photosystems |Â Dark Reaction : Calvin Cycle |Â C4 Cycle (Hatch & Slack Pathway) |Â Photorespiration |
 82%
From NCERT
NEET - 2024
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How many molecules of ATP and NADPH are required, respectively, for fixation of every CO2 molecule entering the Calvin cycle?
1. 2 and 4
2. 4 and 2
3. 3 and 2
4. 2 and 3
1. 2 and 4
2. 4 and 2
3. 3 and 2
4. 2 and 3
 87%
From NCERT
NEET - 2024
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Synthesis of ATP linked to development of a proton gradient across a membrane is:
1. Mass flow hypothesis
2. Wobble hypothesis
3. Chemiosmotic hypothesis
4. Rivet Popper hypothesis
1. Mass flow hypothesis
2. Wobble hypothesis
3. Chemiosmotic hypothesis
4. Rivet Popper hypothesis
Subtopic: Â Chemiosmotic hypothesis |
 91%
From NCERT
NEET - 2024
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Which of the following are required for the light reaction of photosynthesis?
A. \(\mathrm {CO}_2\)
B. \(\mathrm {O}_2\)
C. \(\mathrm {H_2O}\)
D. Chlorophyll
E. Light
1. A , C, D and E only
2. C, D and E only
3. A and B only
4. A, C and E only
A. \(\mathrm {CO}_2\)
B. \(\mathrm {O}_2\)
C. \(\mathrm {H_2O}\)
D. Chlorophyll
E. Light
1. A , C, D and E only
2. C, D and E only
3. A and B only
4. A, C and E only
Subtopic: Â Light Reaction: Electron Transport |
 67%
From NCERT
NEET - 2024
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Which one of the following products diffuses out chloroplast during photosynthesis?
1. ADP
2. NADPH
3. \(O_2\)
4. ATP
1. ADP
2. NADPH
3. \(O_2\)
4. ATP
Subtopic: Â WHERE ARE THE ATP AND NADPH USED |
From NCERT
NEET - 2024
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Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option:
1. A-Carboxylation, B-Regeneration, C-Reduction
2. A-Reduction, B-Decarboxylation, C-Regeneration
3. A-Carboxylation, B-Reduction, C-Regeneration
4. A-Reduction, B-Carboxylation, C-Regeneration
1. A-Carboxylation, B-Regeneration, C-Reduction
2. A-Reduction, B-Decarboxylation, C-Regeneration
3. A-Carboxylation, B-Reduction, C-Regeneration
4. A-Reduction, B-Carboxylation, C-Regeneration
Subtopic: Â Dark Reaction : Calvin Cycle |
From NCERT
NEET - 2024
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