- 1(current)
Q. No.What would be true for the sequence of events shown in the given diagram:
I. The whole scheme of transfer of electrons, starting from the PS II, uphill to the acceptor, down the electron transport chain to PS I, excitation of electrons, transfer to another acceptor, and finally down-hill to NADP+ reducing it to NADPH + H+ is called the Z scheme.
II. The electrons that are moved from photosystem II get replaced by electrons available due to splitting of water.
I. The whole scheme of transfer of electrons, starting from the PS II, uphill to the acceptor, down the electron transport chain to PS I, excitation of electrons, transfer to another acceptor, and finally down-hill to NADP+ reducing it to NADPH + H+ is called the Z scheme.
II. The electrons that are moved from photosystem II get replaced by electrons available due to splitting of water.
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. Neither I nor II |
Subtopic: Photosystems | Light Reaction: Electron Transport |
90%
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Probably the strongest biological oxidizing agent is P680+ because:
1. It accepts electron in both photosystems.
2. It transfers electrons to plastoquinone.
3. It strongly attracts electrons formed by the splitting of water.
4. It transfers electrons to plastocyanin.
Subtopic: Photosystems |
73%
- 1(current)
Q. No.
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