The number of light quanta required for evolution of one molecule of oxygen is known as

Oxygen yield

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Photosynthetic yield

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Quantum yield

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Organic yield.

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Solution

The correct option is C Quantum yield
During the light phase of photosynthesis, the evolution of oxygen takes place. The number of light quanta required for the evolution of one molecule of oxygen is called quantum yield. It is a unit to measure the rate of photosynthesis. To release one molecule of oxygen, eight quanta of light is required.
So, the correct answer is option C.

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