1. Meosomes are also known as
a) Mitochondria
b) Endoplasmic reticulum
c) Plasmids
d) Chondroids
2. Hybridoma technique was first discovered by.
a) Robert Koch
b) Kohler and Milstein
c) ‘D’ Herelle
d) Land Steiner
3. The minimum number of bacteria required to produce clinical evidence of death in a susceptible animal under standard condition is called
a) LD50
b) ID
c) MLD
d) All of these
4. In Electron Microscope source of electrons is from
a) Mercury lamp
b) Tungsten metal
c) both a and b
d) None of these
5. Griffith (1928) reported the phenomenon of transformation first in
a) Pneumococci
b) Bacillus species
c) H. influenzae
d) E.coli
6. The resolution power of the compound microscope is
a) 0.2 micron
b) 0.2 millimeter
c) 0.2 Angstrom units
d) 0.2 centimeter
7. Monoclonal antibodies are associated with the name of
a) Burnet
b) Medwar
c) Milstein kohler
d) Owen
8. The capacity of a given strain of microbial species to produce disease is known as
a) Pathogen
b) Virulence
c) Infection
d) None of these
9. Lederberg and Tatum (1946) described the phenomena of
a) Conjunction
b) Transformation
c) Mutation
d) Plasmids
10. Hanging drop method for motility study was first introduced by
a) Robert Koch
b) Louis Pasteur
c) Jenner
d) Leeuwenhock