According to Oparin,life originated as

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(D) According to the Oparin-Haldane theory,life originated from non-living organic molecules through a process of chemical evolution. Oparin proposed

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None of these

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(D) According to the Oparin-Haldane theory,life originated from non-living organic molecules through a process of chemical evolution. Oparin proposed that the primitive atmosphere was reducing and that simple organic compounds were synthesized from inorganic precursors under the influence of energy sources like lightning and $UV$ radiation. These molecules eventually aggregated to form complex structures called coacervates,which later evolved into the first primitive cells. Since none of the provided options $(A, B, C)$ correctly describe this process of chemical evolution,the correct answer is $D$.

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