Why is light energy used in photosynthesis?(a) Reduction of H2O(b) Reduction of CO2(c) Activation of chlorophyll(d) Oxidation of C6H12O6This question was addressed to me at a job interview.Question is taken from Photosynthesis Basics in division Photosynthesis in Higher Plants of Biology – Class 11

Why is light energy used in photosynthesis?(a) Reduction of H2O(b) Red

1.	Why is light energy used in photosynthesis?(a) Reduction of H2O(b) Reduction of CO2(c) Activation of chlorophyll(d) Oxidation of C6H12O6This question was addressed to me at a job interview.Question is taken from Photosynthesis Basics in division Photosynthesis in Higher Plants of Biology – Class 11
Answer» The correct choice is (C) Activation of chlorophyll Best explanation: Light ENERGY is mainly used in PHOTOSYNTHESIS for activation of chlorophyll. Chlorophyll is in an INACTIVE state. It becomes active only in the presence of SUNLIGHT. These rays fall on chloroplast which in turn activates the chlorophyll.

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