Question

Which microscope is not useful for observing living cells?

Answer 1

In using this microscope the observer does NOT look directly at an image through a lens.
electron microscope.
This microscope produces an image of a light cell against a dark background; internal structures are NOT visible.darkfield microscope.

for observing of microbes light microscope is not necessary electron is used.

hope it clarifies ur doubt dear friend..

Answer 2

good morning
hope it help u
have a nice day