microbiology MCQs – Page 9

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

microbiology Mcqs

161. What is the sequence which a retro virus follows on entering a host cell ?
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A. DNA-RNA

B. DNA-RNA-DNA

C. RNA -DNA-RNA

D. RNA-DNA

162. A person working in an abattoir presented with a papule on hand, which turned in to an ulcer. Which will best help in diagnosis______________?
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A. Trichrome Methylene blue

B. Carbol Fuschin

C. Calcoflour White

D. Acid Fast Stain

163. Enterically transmitted NANB hepatitis B_____________?
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A. Hepatitis F

B. Hepatitis C

C. Hepatitis D

D. Hepatitis E

164. The virus which causes Aplastic anemia in chronic hemolytic disease is_______________?
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A. EB virus

B. Parvo virus

C. Adeno

D. Hepatitis

165. Which of the following is true about pasteurization ?
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A. It kills bacteria and spores

B. Tubercle bacilli are destroyed

C. It kills all bacteria except thermoduric bacteria

D. It kills 95% of microorganisms

166. Zero growth rate is observed during one of the phase of the bacterial growth curve______________?
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A. Lag

B. Exponential growth

C. Stationary phase

D. Decline

167. Killer and Helper cells are part of_______________?
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A. Macrophage

B. B cells

C. T cells

D. Monocytes

168. The antigen used in Weil Felix test is obtained from________________?
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A. coli

B. Pseudomonas

C. Proteus

D. Staphylococcus

169. Following is a retrovirus_____________?
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A. Influenza

B. Immunodeficiency virus

C. Polio virus

D. Hepatitis virus

170. The medium of choice for growing most fungi is_______________?
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A. Tissue culture

B. Thioglycollate medium

C. Blood agar

D. Sabourauds agar

171. Which of the following is a RNA virus ?
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A. Adeno virus

B. Herpes Virus

C. Papavo virus

D. Measles virus

172. Kaposis sarcoma (KS) usually occurs when CD4 Lymphocyte counts are_____________?
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A. Between 1000-2000

B. Above 2000

C. Below 200

D. Above 600

173. In HIV, gp 120, envelope glycoproteins bind specifically to______________?
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A. NK cells

B. B cells

C. CD4 T-cells

D. CD8 T-cells

174. Tyndallisation is carried out for________________?
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A. Two successive days

B. Three successive days

C. 60 minutes

D. One day

175. During the Window period of patient with AIDS_______________?
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A. ELISA IS ve

B. Western Blot is ve

C. Both are ve

D. PCR is ve

176. Amoebic liver abscess can be diagnosed by demonstratig________________?
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A. Trophozoites in the pus

B. Cysts in the sterile pus

C. Trophozoites in the feces

D. Cysts in the intestine

177. Most common tumor associated with AIDS is______________?
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A. Carcinoma

B. Ewings sarcoma

C. Kaposis sarcoma

D. Melanoma

178. Rabies virus________________?
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A. Neurotropic

B. Chromophilic

C. Cytotropic

D. Dermatotropic

179. Investigation of choice for invasive amoebiasis is________________?
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A. Counter immune electroporesis

B. Microscopy

C. ELISA

D. Indirect hemagglutination

180. Probiotic organism used_________________?
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A. Salmonella

B. Bifido bacteria

C. Staphylococcus

D. E coli

Showing 161 to 180 of 502 mcqs