Through which of the following substances the photosystem- I passes an electron to NADP during light reaction?

Plastocyanin

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Plastoquinone

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Cytochrome

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Ferredoxin

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Solution

The correct option is D Ferredoxin
During photosynthesis, electrons are removed from the water and transferred to the single electron carrier ferredoxin. Ferredoxin NADP+ reductase then transfers an electron from each of two ferredoxin molecules to a single molecule of the two electron carrier NADPH.

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