Essential Macro and Micronutrients for Plants · NCERT Biology

Which micronutrient is required for the photolysis of water (splitting of water) during photosynthesis?

  1. Copper (Cu)
  2. Boron (B)
  3. Manganese (Mn)
  4. Zinc (Zn)
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Correct answer: Manganese (Mn)

Manganese (Mn²⁺), along with Chlorine, is essential for the water-splitting (photolysis) reaction in Photosystem II. This reaction releases oxygen as a by-product of photosynthesis.

Difficulty: Medium Question 7 of 20

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