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Difference between Cyclic and Non-cyclic photophosphorylation

Which one of ...

Question

Which one of the following occurs in both cyclic and non-cyclic photophosphorylation?

A

Evolution of O₂

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B

Involvement of both photosystems

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C

Formation of ATP

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D

Formation of NADPH and ATP

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Solution

The correct option is C
Formation of ATP

In cyclic photophosphorylation, only a molecule of ATP is released, while in non-cyclic photophorylation, both ATP and NADPH are released.

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Q. Assertion: Cyclic photo phosphyorylation synthesizes ATP.
Reason: ATP synthesize in cyclic phosphyorylation is associated with NADPH formation.

Q. Assertion :Cyclic photophosphorylation synthesizes ATP Reason: ATP synthesize in cyclic photophosphorylation is not associated with NADPH formation

Q. Which one occurs both during cyclic and non-cyclic modes of photophosphorylation?

Q. Which of the folllwing complexes involved in non-cyclic photophosphorylation, proton is pumped to reach ATP synthase to generate ATP?

Q. Assertion : In case of cyclic photophosphorylation, there is no production of NADPH and oxygen.

Reason : As the electron flows cyclically and NADPH is present in sufficient amount in the cell, hence, cyclic photophosphorylation occurs to provide ATP to power other activities in chloroplast.

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Difference between Cyclic and Non-cyclic photophosphorylation

Standard VIII Biology

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