A) Robert Hooke
B) Knoll and Ruska
C) Pasteur
D) Schwann and Schleiden
Correct Answer: B
Solution :
Electron microscope was invented by Knoll and Ruska. It can magnify the image up to 20,000 times Robert Hooke (1665) first time saw the cell and hence, discovered the cell. L. Pasteur is known as father of fermentation and modern microbiology. M.J. Schleiden and T. Scnwann proposed the cell theory.
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