The chemical composition of pigments, chlorophylls and carotenoids for the first time was given by

Options :
  1. Willstatter and Stoll
  2. Mayer and Anderson
  3. Robert Mayer
  4. Senebier
Answer and Explanation :-

Answer: Option 1


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We have become, by the power of a glorious evolutionary accident called intelligence, the stewards of life's continuity on earth. We did not ask for this role, but we cannot abjure it. We may not be suited to it, but here we are.
-Stephen Jay Gould The Flamingo's Smile: Reflections in Natural History