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History of Microbiology- Part 3
See all quizzes of History of Microbiology- Part 3 here:
1 Electron microscope gives magnification
upto
a. 100 X b. 2000 X
c. 50,000 X d. 2,00,000 X
2. Term vaccine was coined by
a. Robert Koch b. Pasteur
c. Needham d. None of these
3. The inventor of Microscope is
a. Galileo b. Antony von
c. Pasteur d. Koch
4. First Pasteur conducted fermentation
experiments in
a. Milk b. Food material
c. Fruit juices d. Both a and c
5. Modern concepts of chemotherapy was
proposed by
a. Paul Ehrlich b. Joseph Lister
c. Elie Metchnikoff d. None of these
6. The role of phagocytosis was discovered
by
a. Paul Ehrlich b. Joseph lister
c. Elie Metchikoff d. Pasteur
7. L – forms are discovered by
a. Klein Berger
b. Louis Pasteur
c. Robert Koch
d. Antony von Leeuwenhock
8. The causative organism of rocky mountain
spotted fever was first described by
a. Howard Ricketts b. da Rocha-lima
c. Both a and b d. Robert Koch
9. The term bacteriophage was coined by
a. De’Herelle b. F.W. Twort
c. Beijernick d. Jwanosky
10. Viral infection of bacteria was discovered
by
a. De’Herelle b. F.W. Twort
c. Beijernick d. Jwanoksy
11. Eye cannot resolve any image less than
a. 1ìm b. 2ìm
c. 7ìm d. 5ìm
12. Compound Microscope was discovered by
a. A.V. Lewenhoek b. Pasteur
c. Janssen and Hans d. None of these
13. Electron Microscope was discovered by
a. Prof. Fritz b. Janssen and Hans
c. Knoll and Ruska d. None of these
14. Magnification range of light microscope is
a. 1000x – 5000x b. 1000x – 2000x
c. 500x – 1000x d. None of these
15. Condensation of light in light Microscope
is by
a. Objective b. Condensor
c. Ocular d. All of these
16. Light gathering capacity of Microscope is
called
a. Numerical aperture b. Angular aperture
c. Both a and b d. None of these
17. If 10x and 40x objectives are used (air is
the medium), the numerical aperture is
a. 1.5 b. 2.0
c. 1.0 d. 1.8
18. 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
HISTORY OF MICROBIOLOGY
19. Limit of resolution of compound microscope
is
a. 0.018 Ao b. 0.1 mm
c. 5 ìm d. 1 mm
20. Source of light in fluorescence microscopy
is from
a. Mercury lamp b. Sunlight
c. Both a and b d. None of these
21. Who perfected a magnetic lens in 1927
a. Gabor b. Broglie
c. Busch d. None of these
22. The magnefication power of electron
microscope developed by Knell and
Ruska is
a. 10,000x b. 12,000x
c. 15,000x d. 20,000x
23. In electron microscope source of electrons
is from
a. Mercury lamp b. Tungsten metal
c. Both a and b d. None of these
24. The electron passed out from the
specimen are called
a. Primary electrons b. Secondary electrons
c. Tertiary electrons d. None of these
25. Mycorrhiza was first observed by
a. Funk b. Frank
c. Fisher d. Crick
26. 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