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

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

______ ions help in photolysis of water.

Answer

RUBISCO enzyme is also called as ______.

Answer

______ is precursor for abscissic acid (ABA)

Answer

In young leaves ratio of carotene to Xanthophyll is ____.

Answer

Which of the following pigments contains open pyrolle ring?

Answer

Quantum yield of photosynthesis is ______.

Answer

During light phase of photosynthesis ______ is oxidized and ______ is reduced.

Answer

During dark phase of photosynthesis ______ is oxidized and ______ is reduced

Answer

The visible product of photosynthesis is ______.

Answer

To produce 3 glucose molecules ______ ATP and ______ NADPH2 molecules are required.

Answer
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