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Question

Manganese, calcium and chloride ions present in PS-II play an important role in.

A
Absorption of light
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B
CO2 assimilation
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C
Photolysis of water
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D
ATP synthesis
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Solution

The correct option is B Photolysis of water
As we know that the PS-II or photosystem II constantly supplies electrons during the light reaction.
This is possible because of the splitting of that is associated with PS-II. The water splits into H⁺, (O) and electrons. The ions Manganese, Calcium and chloride that are present plays an important role in this.

2H₂O---------------> 4H⁺ + O₂ + 4e⁻

So, the correct option is 'Photolysis of water.'

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