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Q. No.In the process of photosynthesis, electrons lost by Photosystem II (PS II) must be continuously replaced. Considering the location and function of the water-splitting complex associated with PS II, where are the protons (H⁺) and oxygen (O₂) released?
| 1. | Protons (H⁺) are released into the stroma, and O₂ is released into the lumen of the thylakoid. |
| 2. | Protons (H⁺) are released into the lumen of the thylakoid, and O₂ is released into the stroma. |
| 3. | Both protons (H⁺) and O₂ are released into the lumen of the thylakoid. |
| 4. | Both protons (H⁺) and O₂ are released into the stroma. |
Subtopic: Light Reaction: Electron Transport |
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 |
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From NCERT
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Q. No.
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