The decrease in the yield of photosynthesis i | vedclass

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(B) The phenomenon where the rate of photosynthesis is enhanced when plants are exposed to both red and far-red light simultaneously (or when red ligh

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Emerson's effect

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(B) The phenomenon where the rate of photosynthesis is enhanced when plants are exposed to both red and far-red light simultaneously (or when red light is supplemented with light of shorter wavelengths like blue light) compared to the sum of the rates when exposed to each wavelength separately is known as the $Emerson$ enhancement effect. This discovery provided evidence for the existence of two distinct photosystems,$PS-I$ and $PS-II$,operating in the light-dependent reactions of photosynthesis.

The decrease in the yield of photosynthesis in the presence of red light becomes increased to normal when it is supplemented with blue light. This phenomenon is termed as

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