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Manganese is required in
A
Chlorophyll synthesis
B
Nucleic acid synthesis
C
Plant cell wall formation
D
Photolysis of water during photosynthesis
Detailed Solution
Manganese is absorbed as $Mn^{2+}$ and activates many enzymes of photosynthesis, respiration and nitrogen metabolism.
Its best-defined function is in the splitting of water to liberate oxygen during photosynthesis (the oxygen-evolving complex of PS II contains manganese).
Chlorophyll synthesis needs magnesium (a constituent) and iron (for its formation); cell wall formation needs calcium; nucleic acids need phosphorus and nitrogen.
Hence manganese is required in the photolysis of water during photosynthesis.
Its best-defined function is in the splitting of water to liberate oxygen during photosynthesis (the oxygen-evolving complex of PS II contains manganese).
Chlorophyll synthesis needs magnesium (a constituent) and iron (for its formation); cell wall formation needs calcium; nucleic acids need phosphorus and nitrogen.
Hence manganese is required in the photolysis of water during photosynthesis.