In cyclic flow of electrons:
1. Both ATP and NADPH are produced
2. Photolysis of water produces oxygen
3. Excited electron does not pass on to NADP+ but is cycled back to the PS I complex through the electron transport chain
4. Only PS II is functional
Subtopic:  Photosystems |
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Level 1: 80%+
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Consider the given two statements:
I: PS I is so called because it was discovered before Photosystem II.
II: Photosystem II is the first protein complex in the light-dependent reactions of oxygenic photosynthesis.
 
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 |
 69%
Level 2: 60%+
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How many water molecules need to split in photolysis of water during oxygenic photosynthesis to produce one molecule of oxygen?
1. 1 2. 2
3. 3 4. 4
Subtopic:  Introduction | Photosynthetic Pigments | Photosystems |
 79%
Level 2: 60%+
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