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Q.
The first event in photosynthesis is
NTA AbhyasNTA Abhyas 2020Photosynthesis in Higher Plants
Solution:
Photoexcitation of chlorophyll and ejection of the electron is the pilot event of the photosynthetic process. When a photon of light energy falls on a chlorophyll molecule, one of the electron pairs from the ground or singlet state passes into a higher energy level called excited singlet state.