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Origin and Evolution of Life — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYOrigin and Evolution of Life3 Marks
Question
Enlist the steps in the process of chemical evolution.
✓

Answer

  1. Origin of Earth and Primitive atmosphere.
  2. Formation of ammonia, water and methane.
  3. Formation of simple organic molecules.
  4. Formation of complex organic molecules.
  5. Formation of Nucleic acids.
  6. Formation of Protobionts or Procells.
  7. Formation of first cell.

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