- 1(current)
Q. No.Consider the given two statements:
| I: | Carbon reactions during photosynthesis in higher plants are called as dark reactions. |
| II: | They occur in darkness and they are not light-dependent. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct but II is incorrect |
| 4. | I is incorrect but II is correct |
Subtopic: Dark Reaction: Biosynthetic Phase | Dark Reaction : Calvin Cycle |
80%
From NCERT
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
Consider the two statements:
| I: | The water-splitting complex is located on the inner side of the thylakoid membrane |
| II: | The NADP reductase enzyme is located on the stromal side of the thylakoid membrane |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Dark Reaction: Biosynthetic Phase |
77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Immediately after light becomes unavailable, the biosynthetic phase of photosynthesis continues for some time and then stops. If then, light is made available, the synthesis starts again. A logical conclusion of these observations will include:
| I: | Biosynthetic phase does not directly depend on the presence of light. |
| II: | Biosynthetic phase depends on the products of light reactions. |
| III: | Biosynthesis phase occurs only in the dark or in the absence of light. |
| 1. | Only I and II | 2. | Only III |
| 3. | Only II | 4. | I, II and III |
Subtopic: Dark Reaction: Biosynthetic Phase |
55%
Please attempt this question first.
Hints
The reactions of the Calvin cycle can take place as long as which of the following products of the light dependent reactions are available?
| 1. | Water and Glucose | 2. | Water and ATP |
| 3. | Oxygen and Carbon dioxide | 4. | ATP and NADPH |
Subtopic: Dark Reaction: Biosynthetic Phase | Dark Reaction : Calvin Cycle |
86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
- 1(current)
Q. No.
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