AP and TS EAMCET Medical 2020 Model Paper 3

Question : 28 of 159

Marks: +1, -0

Find the correct statement from the following in relation to higher plants

Cyclic photophosphorylation only occurs when only light of wavelengths beyond 780nm are available for excitation
Cyclic photophosphorylation also occurs when only light of wavelengths less than 680nm are available for excitation
Cyclic photophosphorylation only occurs when only light of wave lengths less than 680nm are available for excitation
Cyclic photophosphorylation only occurs when only light of wave lengths beyond 680nm are available for excitation.

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