Cell Theory and the Basic Unit of Life · NCERT Biology

The intensive study of the cell under the electron microscope became possible only after:

  1. 1838
  2. 1855
  3. 1950
  4. 1900
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Correct answer: 1950

The invention of the electron microscope and its improvement in the 1950s allowed scientists to observe the detailed internal structure and organelles of the cell.

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