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Question

Evidence of existence of two pigment system in light reaction was given by


A

Arnon

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B

Emerson

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C

Sachs

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D

Clavin

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Solution

The correct option is B

Emerson


The correct option is B.

Explanation of the correct option:

  1. There are two main phases of photosynthesis: the light-dependent phase or light reaction, and the light-independent phase or dark reaction.
  2. In light reaction, there are two photosystems, one that absorbs far-red light and the other red light.
  3. Both the systems must operate for effective conduction of photosynthesis.
  4. The idea of two pigment system was given by Robert Emerson.

Final Answer: Evidence of existence of two pigment system in light reaction was given by Emerson.


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