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Q. No.How many ATP and NADPH2 are required for the synthesis of one molecule of glucose during Calvin cycle?
1.
18 ATP and 16 NADPH2
2.
12 ATP and 12 NADPH2
3.
18 ATP and 12 NADPH2
4.
12 ATP and 16 NADPH2
Subtopic: Dark Reaction : Calvin Cycle |
87%
From NCERT
NEET - 2023
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Which of the following combinations is required for chemiosmosis?
| 1. | Proton pump, electron gradient, NADP synthase. |
| 2. | Membrane, proton pump, proton gradient, ATP synthase. |
| 3. | Membrane, proton pump, proton gradient, NADP synthase |
| 4. | Proton pump, electron gradient, ATP synthase |
Subtopic: Chemiosmotic hypothesis |
78%
From NCERT
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (A) | Chlorophyll a | (I) | Yellow to yellow orange |
| (B) | Chlorophyll b | (II) | Yellow green |
| (C) | Xanthophyll | (III) | Blue green |
| (D) | Carotenoids | (IV) | Yellow |
| Options: | (A) | (B) | (C) | (D) |
| 1. | III | II | IV | I |
| 2. | III | I | IV | II |
| 3. | II | III | I | IV |
| 4. | IV | III | II | I |
Subtopic: Pigments |
81%
From NCERT
NEET - 2023
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Given below are two statements :
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
| Statement I: | RuBisCO is the most abundant enzyme in the world. |
| Statement II: | Photorespiration does not occur in C4 plants. |
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic: Photorespiration |
83%
From NCERT
NEET - 2023
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Which out of the following statements is incorrect?
| 1. | Grana lamellae have both PS I and PS II |
| 2. | Cyclic photophosphorylation involved both PS I and PS II |
| 3. | Both ATP and NADPH + H+ are synthesised during non-cyclic photophosphorylation |
| 4. | Stroma lamellae lack PS II and NAP reductase |
Subtopic: Light Reaction: Electron Transport |
80%
From NCERT
NEET - 2023
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Given below are two statements :
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but statement II is incorrect
2. Statement I is incorrect but statement II is correct
3. Both statement I and statement II are correct
4. Both statement I and statement II are incorrect
| Statement I: | RuBisCO is the most abundant enzyme in the world. |
| Statement II: | Photorespiration does not occur in C4 plants. |
1. Statement I is correct but statement II is incorrect
2. Statement I is incorrect but statement II is correct
3. Both statement I and statement II are correct
4. Both statement I and statement II are incorrect
Subtopic: Photorespiration |
88%
From NCERT
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Given below are two statements:
| Assertion (A): | It was inferred from the experiments performed on green & purple sulphur bacteria that the O2 evolved by green plants comes from H2O. |
| Reason (R): | Purple and green sulphur bacteria release sulphur or sulphate as oxidation product during photosynthesis. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Historical View: Experiments |
60%
From NCERT
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Given below are two statements:
| Assertion (A): | Synthesis of ATP and NADPH during photophosphorylation is referred as light reaction. |
| Reason (R): | In plants, ATP and NADPH synthesis is directly driven by light. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Light Reaction: Photophosphorylation |
From NCERT
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Given below are two statements:
| Assertion (A): | In PS I, the reaction centre chlorophyll 'a' has an absorption peak at 700 nm. |
| Reason (R): | PS II reaction centre is called P 680. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Photosystems |
83%
From NCERT
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Given below are two statements:
| Assertion (A): | The protons produced by splitting of H2O get accumulated within the lumen of the thylakoids. |
| Reason (R): | Splitting of water takes place on the inner side of the thylakoid membrane. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Chemiosmotic hypothesis |
83%
From NCERT
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