Top 150+ Solved History of Microbiology MCQ Questions Answer
Q. Compound Microscope was discovered by
a. A.V. Lewenhoek
b. Pasteur
c. Janssen and Hans
d. None of these
Q. Electron Microscope was discovered by
a. Prof. Fritz
b. Janssen and Hans
c. Knoll and Ruska
d. None of these
Q. Magnification range of light microscope is
a. 1000x – 5000x
b. 1000x – 2000x
c. 500x – 1000x
d. None of these
Q. Condensation of light in light Microscopeis by
a. Objective
b. Condensor
c. Ocular
d. All of these
Q. Light gathering capacity of Microscope iscalled
a. Numerical aperture
b. Angular aperture
c. Both a and b
d. None of these
Q. If 10x and 40x objectives are used (air isthe medium), the numerical aperture is
a. 1.5
b. 2.0
c. 1.0
d. 1.8
Q. The ability of Microscope to distinguish two objects into two separate objects, is called.
a. Resolving power
b. Wave length
c. N.A.
d. None of these
Q. Source of light in fluorescence microscopyis from
a. Mercury lamp
b. Sunlight
c. Both a and b
d. None of these
Q. The magnefication power of electron microscope developed by Knell and Ruska is
a. 10,000x
b. 12,000x
c. 15,000x
d. 20,000x
Q. The e lectron passed out from thespecimen are called
a. Primary electron
b. Secondary electrons
c. Tertiary electrons
d. None of these
Q. The transfer of genetic material during transformation is proved basing on Griffith’s experiment by
a. Avery Macleod & Mc.Carthy
b. Lederberg & Taulum
c. Zinder & Lederberg
d. Watson & Crick