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KEAM Origin of Life — practice questions

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Origin of Life questions and exercises with answers

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The theory that **life originated from non-living matter through gradual chemical evolution** was proposed independently by:

  1. Darwin and Wallace
  2. Oparin (1924) and Haldane (1929)
  3. Lamarck and Weismann
  4. Watson and Crick
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Correct answer: B. Oparin (1924) and Haldane (1929)

Russian biochemist A.I. Oparin (1924) and British biologist J.B.S. Haldane (1929) independently proposed that organic molecules formed in a primitive reducing atmosphere — the chemical-evolution / 'primordial soup' theory.

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