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Q.

For evolution of one molecule of oxygen, how many light quanta are required ?

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a

Four

b

Eight

c

Six

d

Twelve

answer is B.

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Detailed Solution

Quantum requirement is the number of light Quanta or photons required for the evolution of 1 mol. of O2 in photosynthesis. Emerson calculated that the quantum requirement is 8.
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For evolution of one molecule of oxygen, how many light quanta are required ?