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Railways PYQCBT 1 2016

RRB NTPC · Question 52

Aaton Van Leewan Hock is famous for the discovery of ______. A. Microscope B. Nylon C. Laser D. Radio valve

  1. B

  2. C

  3. D

  4. A

Show answer & explanation

Answer: (D) A

Explanation

Antonie van Leeuwenhoek, a Dutch scientist, built powerful single-lens microscopes in the 1670s and used them to discover bacteria and protozoa. He is called the 'father of microbiology' and is associated with the microscope.