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PAR of photosynthesis is :-...

PAR of photosynthesis is :-

A

100-400 nm

B

400-700 nm

C

200-400 nm

D

400-500 nm

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The correct Answer is:
B
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Which of the following statement is / are incorrect ? (i) Green light falling in the range of wavelength 500 0 -580 nm is least effective for photosynthesis. (ii) In non - cyclic photophosphorylation, the electron expelled from the reaction centre is not cycled back , though its loos is compensated by electrons from the photolysis of water . (iii) Chl a , Chl b , carotenoids , and xanthophylls are insoluble in organic solvents. (iv) 400-700 nm light is used in photosynthesis also known as PAR. (v) Red light is the most effective for photosynthesis.

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