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Q. No.Photosynthesis takes place in:
1.
animals only
2.
plants only
3.
plants, algae, some bacteria, some protists
4.
only plants and animals
Subtopic: Historical View: Experiments | Redtrop Experiment | Emerson's Enhancement Experiment |
92%
From NCERT
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Non-cyclic electron pathway:
| I: | utilizes both Photosystem I and Photosystem II. |
| II: | will use electrons that come from the splitting of water. |
| 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: Photosystems |
90%
From NCERT
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Regarding the light-independent reactions:
| I: | they occur in the stroma of the chloroplast. |
| II: | NADPH and ATP from the light-dependent reactions are used. |
| III: | Carbon dioxide is oxidized to form a carbohydrate. |
| IV: | they are most likely to occur during the night. |
| 1. | Only I and II are correct |
| 2. | Only I, II and III are correct |
| 3. | Only II, III and IV are correct |
| 4. | I, II, III and IV are correct |
Subtopic: Light Reaction: Electron Transport | Dark Reaction: Biosynthetic Phase | Dark Reaction : Calvin Cycle |
From NCERT
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Both ATP and NADPH, the products from the light-dependent reactions, are required during which of the following stages of the Calvin cycle?
1. carbon dioxide fixation
2. carbon dioxide reduction
3. regeneration of RuBP
4. cyclic electron pathway
1. carbon dioxide fixation
2. carbon dioxide reduction
3. regeneration of RuBP
4. cyclic electron pathway
Subtopic: Dark Reaction : Calvin Cycle |
71%
From NCERT
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Identify the correctly matched pairs:
| I: | chloroplast--double membrane organelle |
| II: | mitochondrion--double membrane organelle |
| III: | matrix of mitochondrion--location of glycolysis |
| IV: | cristae of mitochondrion--location of the electron transport system |
| 1. | Only I and II | 2. | Only I, II and IV |
| 3. | Only II, III and IV | 4. | I, II, III and IV |
Subtopic: Photosystems |
53%
From NCERT
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Consider the given statements:
| I: | Wheat, rice and oat plants represent C3 plants. |
| II: | Sugarcane and corn represent C4 plants. |
| III: | Cacti and many desert plants are CAM plants. |
| 1. | Only I and II are correct |
| 2. | Only I and III are correct |
| 3. | Only II and III are correct |
| 4. | I, II and III are correct |
Subtopic: Questions on Calvin Cycle | Question on C4 Pathway | CAM Pathway | Questions on Photorespiration |
84%
From NCERT
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During photosynthesis in higher plants:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | carbon dioxide is reduced. |
| II: | oxygen is released. |
| III: | the hydrogen carrier is NAD. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Introduction | Photosynthetic Pigments | Light Reaction: Electron Transport | Dark Reaction: Biosynthetic Phase |
55%
From NCERT
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Consider the given two statements:
| Assertion (A): | Light is required for the light dependent reactions of photosynthesis. |
| Reason (R): | Light splits ATP molecules which generate the energy necessary to power the light independent reactions. |
| 1. | (A) is True, (R) is False |
| 2. | Both (A) and (R) are True and (R) correctly explains (A) |
| 3. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 4. | Both (A) and (R) are False |
Subtopic: Light Reaction: Photophosphorylation | Light Reactions :1 | Light Reactions :2 | Light Reactions :3 |
62%
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A first action spectrum of photosynthesis was described by:
| 1. | Joseph Priestley | 2. | Julius von Sachs |
| 3. | Robin Hill | 4. | T. W. Engelmann |
Subtopic: Historical View: Experiments |
95%
From NCERT
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On the chromatogram, which of the following pigments appear yellow green?
| 1. | Chlorophyll a | 2. | Chlorophyll b |
| 3. | Xanthophyll | 4. | Carotenoid |
Subtopic: Pigments |
81%
From NCERT
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