Q. Unicellular microscopic organism were first studied by

A) Pasteur
B) Priestley
C) Robert Hooke
D) Leeuwenhoek
Explanation

Unicellular microscopic organisms were first studied by Leeuwenhoek. He was first to observe, describe and sketch a free living cell. He observed bacteria, Protozoa, spermatozoa, red blood cells, etc.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.