Two pigment system theory of photosynthesis was proposed by or Concept – McqOptions

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1.	Two pigment system theory of photosynthesis was proposed by or Concept of evidence for existence of two photosystems in photosynthesis was given by [DPMT 1986; MP PMT 1989; CBSE PMT 1994]
A.	Hill
B.	Blackman
C.	Emerson
D.	Arnon
Answer» D. Arnon

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