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Difference between Cyclic and Non-cyclic photophosphorylation

In cyclic pho...

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In cyclic photophosphorylation the lowest energy electron are driven out from 1) P700 2) P680 3) PQ 4) PC Give reason as well

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Q. In non-cyclic photophosphorylation the electron released by

P_{680}

Q. In noncyclic photophosphorylation, the electron released by

P_{680}

Q. In noncyclic photophosphorylation, the electron released by

P_{680}

Q. Z-scheme shows the non-cyclic electron flow of light reaction in oxygenic photosynthetic organisms. According to the Z-scheme, choose the correct statement(s) :
I.

P_{680}^{+}

P_{680}

molecule that lost its electron. It has the maximum reduction potential.
II.

P_{680}^{*}

P_{680}

molecule after absorption of the light energy. It has the lowest reduction potential
III. Final electron acceptor of PS I is Fe-S centre
IV. Flow of high energy electron in the electron transport chain creates a pH difference between the chloroplast stroma and thylakoid lumen

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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