Emerson's enhancement effect and red drop have been instrumental in the discovery of

Options

A. Photophosphorylation and non-cyclic electron transport
B. Two photosystems operating simultaneously
C. Photophosphorylation and cyclic electron transport
D. Oxidative phosphorylation

Answer

B

Explanation

The emersion effect is the increase in the rate of photosynthesis after chloroplast is exposed to the light of wavelength 680 nm above if explain that two photosynthesis operating simultaneously.