- 1(current)
Q. No.The electrons needed to replace those removed from PS I are provided by:
| 1. | The LHC | 2. | Water |
| 3. | NADPH | 4. | PS II |
Subtopic: Â Light Reaction: Electron Transport |
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The stroma lamellae membranes:
| 1. | have both PS II and NADP reductase enzyme |
| 2. | have PS II but not NADP reductase enzyme |
| 3. | lack PS II but have NADP reductase enzyme |
| 4. | lack both PS II and NADP reductase enzyme |
Subtopic: Â Light Reaction: Electron Transport |
 76%
From NCERT
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Oxygen, during oxygenic photosynthesis, is produced during:
1. cyclic photophosphorylation
2. the light-dependent reactions involving photosystems I and II
3. Calvin cycle
4. the Krebs cycle
Subtopic: Â Light Reaction: Electron Transport |
 85%
From NCERT
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Identify the correct statement regarding the functioning of photosystem II?
| 1. | The reaction center is P700. |
| 2. | It works after PS I in non cyclic photophosphorylation. |
| 3. | Water splits and carbon dioxide is released. |
| 4. | The electron vacancies in P680 are filled by electrons derived from water. |
Subtopic: Â Light Reaction: Electron Transport |
 86%
From NCERT
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The extra ATP required [as compared to NADPH] in Calvin cycle comes from:
| 1. | photosystem II | 2. | photosystem I |
| 3. | cyclic electron flow | 4. | non cyclic electron flow |
Subtopic: Â Light Reaction: Electron Transport |Â Light Reaction: Photophosphorylation |
 58%
From NCERT
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The correct sequence of flow of electrons in the light reaction is
| 1. | PSII, plastoquinone, cytochromes, PS I, ferredoxin |
| 2. | PSI, plastoquinone, cytochromes, PS II, ferredoxin |
| 3. | PSI, ferredoxin, PS II, |
| 4. | PSI, plastoquinone, cytochromes, PS II, ferredoxin |
Subtopic: Â Light Reaction: Electron Transport |
 93%
From NCERT
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- 1(current)
Q. No.
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