Biology, asked by hardikrakholiya21, 1 year ago

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Class 11 Important Questions for Biology -

● Do reactions of photosynthesis called, as ‘Dark Reaction’ need light? Explain.

Answers

Answered by arshbbcommander

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No

These reactions do not need light means these are light independent reactions.
ATP and NADPH like products are used to drive the processes leading to synthesis of food. It is the biosynthetic phase or dark reaction of photosynthesis.
This process does not directly depend on the presence of light and are independent to light but is dependent on the products of the light reaction- ATP and NADPH besides CO2 and H2O.

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Answered by Anonymous

Explanation:

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Question:-

Do reactions of photosynthesis called, as ‘Dark Reaction’ need light? Explain.

Answer:-

Light is not required for dark reactions. Instead, dark reaction uses ATP and NADPH to produce energy molecules. No photosystem is required and photolysis of water does not occur. So, the dark reaction in photosynthesis is called so because it does not require light energy.

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