microbiology MCQs – Page 8

Practise focused microbiology questions with marked answers for exam preparation and subject revision.

microbiology Mcqs
141. Malaria pigment is________________?
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A. Haematin-globin pigment

B. Bilurubin

C. Iron

D. Haemoglobin

142. Which of the following is not true of boiling water_____________?
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A. Can kill vegetative bacterial cells

B. It can kill hepatitis B virus

C. Can kill mycobacterium tuberculosis

D. Used for sterilizing surgical instruments
143. Commonest site of extra intestinal amoebiasis is___________________?
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A. Brain

B. Liver

C. Lungs

D. Spleen

144. Which of the following is most potent antigen for stimulating both humoral and cell mediated immunity ?
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A. Polysaccharides

B. Proteins

C. Adjuvant

D. Lipids

145. Antibody to HSV will begin to appear_____________________?
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A. antibodies are present in recurrent and chronic apthous stomatitis

B. no antibodies are present in primary HSV

C. in a week and reach a peak in 3 weeks

D. only after one year

146. Adjuvant given along with antigens are going to________________?
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A. reduce the toxigenicity

B. Increase toxigenicity

C. Increase antigenicity

D. Reduce the antigenicity

147. L.D bodies are seen in_______________?
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A. Sleeping sickness

B. Kalahazar

C. Toxoplasmosis

D. Malaria

148. Leishmania is cultured in ________________ media?
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A. Tellurite

B. Sabourauds

C. Chocolate agar

D. NNN
149. Candidal hyphae can be stained using_______________?
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A. Van Giesons stain

B. Periodic acid schiff stain

C. Toluidine blue stain

D. Masson Trichrome stain

150. Madura mycosis produces______________?
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A. Brown to black granules

B. White to yellow granules

C. No granules

D. Red granules

151. The small nonparticulate protein leading to enhanced replication of HBV as well as HIV is______________?
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A. Hbe Ag

B. HBx Ag

C. HBs Ag

D. HBc Ag

152. Which worm is longest________________?
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A. Hook worm

B. T. Saginata

C. A. Lumbricoides

D. T. Solium

153. Kolmer test is a screening test done for_________________?
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A. Tuberculosis

B. Syphilis

C. Lymphoma

D. Gonorrhea

154. Negative phase is seen in ________ immunity?
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A. Local

B. Herd

C. Passive

D. Active
155. Opsonisation is by_______________?
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A. IgA

B. IgE

C. IgG

D. IgM

E. Both C & D
156. Hepatitis A virus is best diagnosed by______________?
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A. IgM antibodies in serum

B. Culture from blood

C. Isolation from bile

D. Isolation form stool

157. Complement binding immunoglobin via the classical pathway is_______________?
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A. IgD & IgE

B. IgG & IgA

C. IgG & igM

D. IgG & IgD

158. Seroconversion in HIV infection takes place in______________?
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A. 4 weeks

B. 12 weeks

C. 9 weeks

D. 2 weeks

159. Same or closely related antigens present in different biological species are known as________________?
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A. Isoantigens

B. Haptens

C. Heterophile antigens

D. Suquestrated antigens

160. Oil and Grease are sterilized by________________?
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A. Auto claving

B. Hot air oven

C. Ethylene dioxide

D. Irradiation