KCET 2008 Biology Solved Paper

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Question : 58 of 60

Marks: +1, -0

Photosynthesis cannot continue for long if during light reaction, only cyc photophosphorylation takes place. This is because

There is unidirectional cyclic movement of the electrons
There is no evolution of O2
Only ATP is formed NADPH++H+is not formed
Photosystem I stops getting excited at a wavelength of light beyond 680‌nm

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