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) Antony von
b) Galileo
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. The role of phagocytosis was discovered by
a) Paul Ehrlich
b) Joseph lister
c) Elie Metchikoff
d) Pasteur
6. Modern concepts of chemotherapy was proposed by
a) Paul Ehrlich
b) Joseph Lister
c) Elie Metchnikoff
d) None of these
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) Jwanosky
b) F.W. Twort
c) Beijernick
d) De’Herelle
10. Viral infection of bacteria was discovered by
a) De’Herelle
b) F.W. Twort
c) Beijernick
d) Jwanoksy