Q.

The process through which excess of light energy is dissipated in photosynthesis is known as

A. Quenching
B. Scavenging
C. Photolysis
D. Photophosphatylation
Answer» A. Quenching
Explanation: Quenching is a process in which absorbed light energy is dissipated as heat and does not take part in photochemistry. The phenomenon involves quenching of chlorophyll a (Chia) fluorescence, which is induced under steady-state illumination.
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