The chemical evolution is the formation of complex organic molecules from simpler inorganic molecules through chemical reactions in the oceans during the early history of the Earth. It is the first step in the development of life on this planet.
NEET UG 2007 — Zoology Evolution
The concept of chemical evolution is based on:
Held on 30 Apr 2007 · Verified 9 Jul 2026.
interaction of water, air and clay under intense heat
effect of solar radiation on chemicals
possible origin of life by combination of under suitable environmental conditions
crystallization of chemicals.
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Work through every NEET UG Evolution PYQ, year by year.