Which of the following elements is required for oxygen evolution in photosynthesis?

Copper

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Iron

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Manganese

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Zinc

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Solution

The correct option is A Manganese
Manganese is the essential element for photolysis of water. This reaction is catalyzed by a reactive center in photosystem II containing four manganese ions. Manganese basically uses its electrons to split the water and thus the evolution of oxygen also.
So, the correct answer is option C.

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