NEET 2007 Biology question

The concept of chemical evolution is based on:

(1)Possible origin of life by combination of chemicalsCorrect
(2)Crystallization of chemicals under suitable environmental conditions
(3)Interaction of water, air and clay under intense heat
(4)Effect of solar radiation on chemicals

Answer: (1)

Solution

Chemical evolution (Oparin-Haldane theory, supported by the Miller-Urey experiment) proposes that life originated from non-living matter through a gradual combination of simple inorganic molecules (CH4, NH3, H2, water vapour) into organic

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Question ID VK-089761