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Types of Respiration

In photosynth...

Question

In photosynthesis, there is an (a)

Reduction of

H_{2} O

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Oxidation of

H_{2} O

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Oxidation of

C O_{2}

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Oxidation of

N O_{2}

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Solution

The correct option is B Oxidation of $H_{2} O$ .
The process of photosynthesis occurs in two stages light reaction and dark reaction. The light reaction involves oxidation of water (photolysis i.e., light dependent splitting of water), which releases oxygen as a by product. The photolysis of water also releases electrons, which are used to drive electron flow in the thylakoid membrane ultimately this electron flow results in the synthesis of ATP and $N A D P H_{2}$ . These products ATP and $N A D P H_{2}$ are used up subsequently in the process of dark reaction.

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