Which among the following scientists proposed that the formation of life was preceded by chemical evolution?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Oparin, Haldane
Oparin of Russia and Haldane of England proposed that the first form of life could have come from pre-existing non-living organic molecules such as RNA and protein. Before life appeared, there was chemical evolution: diverse organic molecules formed from inorganic constituents under the conditions of the early earth.
NCERT Extract:
Origin of Life – “… Oparin of Russia and Haldane of England proposed that the first form of life could have come from pre-existing non-living organic molecules (e.g. RNA, protein, etc.) and that formation of life was preceded by chemical evolution, i.e., formation of diverse organic molecules from inorganic constituents.”