MCQ
Unicellular microscopic organisms were first studied by $.........$
  • A
    Robert Hooke.
  • B
    Priestley.
  • C
    Pasteur.
  • Leeuwenhoek.

Answer

Correct option: D.
Leeuwenhoek.
Leeuwenhoek, a Dutch naturalist was the first to observe and describe various unicellular microorganisms like bacteria, protozoa etc. along with animal cells like $\text{RBCs},$ muscles fibres, through a specialized lens designed by him.

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