91. Effective human vaccines have been produced against
a. Staphylococcus esculin
b. Streptococcus agalactiae
c. Streptococcus pyrogenes
d. Streptococcus pneumoniae
92. Which of the Crude drug is not under the class of organised drug
a. Lectus
b. Flowers
c. Fruits
d. Gums
93. The specific sites on antigen with which antibodies react are called
a. Isotopes
b. Immunogens
c. Epitopes
d. Carriers
94. All of the following enzyme can be seen in viruses EXCEPT
a. Neuraminidase
b. RNA dependent RNA Polymerase
c. Collagenase
d. Protease
95. Which technique currently is used for the sero diagnosis of AIDS?
a. Radioimmunoassay
b. ELISA
c. Two dimensional immunoelectrophoresis
d. Polymerase chain reaction
96. What form of plague is most likely to be transmitted from human to human?
a. Pneumonic
b. Typhoidal
c. Catarrhal
d. Sylvatic
95. Tetanus can be prevented by except
a. Administration of hyperimmune globulin
b. Transplacental passage of antitoxin
c. Injection of tetanus toxoid
d. Specific anti clostridial chemotherapy
98. Resistance to antibiotics is carried on
a. R factor Plasmid
b. Flagellum
c. Slime layer
d. Sex Pilli
99. N2 fixing bacteria in soil were discovered by
a. S.N. Winogradsky
b. John Needham
c. Waddington
d. Walter Reed
100. Yeast is a
a. Bacteria
b. Virus
c. Fungi
d. Algae
