NEET Biology question

The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction?

(A)Magnesium and molybdenum
(B)Magnesium and chlorine
(C)Manganese and chlorineCorrect
(D)Manganese and potassium

Answer: (C)

Solution

Photolysis of water occurs at the oxygen-evolving complex of Photosystem II, which requires manganese ions (cycling through Mn2+/Mn3+/Mn4+ states to remove electrons from water) along

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Question ID VK-112937