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Tardigrade
Question
Biology
Who invented electron microscope?
Q. Who invented electron microscope?
1413
196
AIIMS
AIIMS 2010
Cell : The Unit of Life
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A
Janssen
2%
B
Edison
12%
C
Knoll and Ruska
78%
D
Landsteiner
8%
Solution:
Correct answer is (c) Knoll and Ruska