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The Fundamental Unit of Life — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
Unicellular microscopic organisms were first studied by _____________.
  • A
    Robert Hooke.
  • B
    Priestley.
  • C
    Pasteur.
  • D
    Leeuwenhoek.
✓

Answer

  1. Leeuwenhoek.

Explanation:

Leeuwenhoek, a Dutch naturalist was the first to observe and describe various unicellular microorganisms like bacteria, protozoa etc. along with animal cells like RBCs, muscles fibres, through a specialized lens designed by him.

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