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Action spectrum of photosynthesis was given by
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a
Sachs
b
Arnon
c
Arnold
d
Engelmann
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Correct option is D
T.W Engelmann used a prism to split light into its spectral components and then illuminated a green alga, Cladophora, placed in a suspension of aerobic bacteria. He observed that the bacteria accumulated mainly in the region of blue and red light of the split spectrum. A first action spectrum of photosynthesis was thus described.Similar Questions
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