NEET Biology question
Consider the following statements.
I. The portion of the spectrum between 300–500 nm is also referred to as Photosynthetically Active Radiation (PAR). II. Magnesium, calcium and chloride ions play prominent roles in the photolysis of water. III. In cyclic photophosphorylation, oxygen is not released (as there is no photolysis of water) and NADPH is also not produced.
Answer: (B)
Solution
PAR actually corresponds to about 400–700 nm, not 300–500 nm, making Statement I false. The ions central to water photolysis are manganese and chloride (not magnesium and calcium, which are unrelated or play a different
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