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The Fundamental Unit of Life — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
The scientist who first observed bacteria and protozoa is:
  • A
    Antonie Van Leeuwenhoek.
  • B
    Robert Hooke.
  • C
    Mathias Jacob.
  • D
    Robert Brown.
✓

Answer

  1. Antonie Van Leeuwenhoek.

Explanation:

Antonie van Leeuwenhoek (1632-1723) described cells in a drop of pond water using a microscope made by him. He was the first person to observe bacteria and protozoa. By observing the movement of bacteria or protozoa he named them animalcules.

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