Light Reactions Photosynthesis in Higher Plants (132 MCQs) Photosynthesis in Higher Plants Biology - XI NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The reduction of NADP ⁺to NADPH + H⁺ during non-cyclic photophosphorylation directly requires:

I:	electrons that come from water.
II:	protons that are removed from the stroma.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

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Regarding chemiosmotic ATP synthesis in the chloroplast:

I:	There is a large number of hydrogen ions in the thylakoid space compared to the number in the stroma.
II:	Hydrogen ions diffuse through special channels called ATP synthase complex.
III:	ATP synthase complex splits ATP into ADP plus phosphate.
IV:	Hydrogen ions flow down their electrochemical gradient through the ATP synthase complex.

1. Only I, II and III are correct
2. Only I, II and IV are correct
3. Only II, III and IV are correct
4. Only II and III are correct

Subtopic: Light Reactions |

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