Mcqs cell The electron microscope was developed by a) Huxley b) Knoll and Ruska c) Purkinje d) Robert Hooke

 MCQs     Cell Class 9

The electron microscope was developed by
a) Huxley
b) Knoll and Ruska
c) Purkinje
d) Robert Hooke
Answer. b) Knoll and Ruska