Explore topic-wise MCQs in Microbiology.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which part of the light microscope controls the intensity of light entering the viewing area?

A. Coarse adjustment screw
B. Fine adjustment screw
C. Diaphragm
D. Condenser lens
Answer» D. Condenser lens
Discussion
2.

In Phase contrast microscopy, the rate at which light enters through objects is __________

A. Constant
B. Inversely proportional to their refractive indices
C. Directly proportional to their refractive indices
D. Exponentially related to their refractive indices
Answer» C. Directly proportional to their refractive indices
Discussion
3.

Total Magnification is obtained by __________

A. Magnifying power of the objective lens
B. Magnifying power of eyepiece
C. Magnifying power of condenser lens
D. Magnifying power of both the objective lens and eyepiece
Answer» E.
Discussion
4.

Resolving power of a microscope is a function of ____________

A. Wavelength of light used
B. Numerical aperture of lens system
C. Refractive index
D. Wavelength of light used and numerical aperture of lens system
Answer» E.
Discussion