8. ‘Photosynthesis is the conversion of light energy within a plant’ was first stated by
(a) Willstatter and Stoll (b) Mayor and Anderson
(c) Benson and Calvin (d) Robert Mayer
Answer: (d) Robert Mayer
Explanation: (d) Robert Mayer (1845) proposed that light has radiant energy and this radiant energy is converted in to chemical energy by plants, which serves to maintain life of the plants and also animals
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