microbiology MCQs – Page 7

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

microbiology Mcqs
121. The best skin disinfectant is________________?
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A. Chlorhexdine

B. Alcohol

C. Savlon

D. None of the above

122. Transmission of all of the following intestinal parasites takes place by the feco-oral route except______________?
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A. Strongyloides

B. Giardia lambia

C. Ascaris lumbriocoides

D. Entamoeba

123. Babu, a 28 year old male comes with compaint of exposure 3 wks back, having cervical Lymphadenopathy, Hepatosplenomegaly. Diagnosis of HIV is done by____________?
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A. P24 antigen

B. Lymph node biopsy

C. ELISA

D. Western blot

124. The distinguishing characteristic of a positive delayed type hypersensitivity skin test is______________?
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A. Erythema

B. Vasculitis

C. Induration

D. Necrosis

125. The best way of detecting the presence of viruses in the infected cell culture is____________?
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A. Haemagglutination inhibition test

B. Cytopathic changes in culture cells

C. Presence of viral protein in the infected monolayer

D. Haemagglutination test

126. A young pregnant woman presents with fulminant hepatic failure. The most likely aetiological agent is_____________?
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A. Hepatitis C virus

B. Hepatitis A virus

C. Hepatitis E virus

D. Hepatitis B virus

127. Cold sterilization refers to the process of sterilization by use of______________?
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A. Gamma rays

B. Ultrasonic vibrations

C. Infrared rays

D. Ultra violet rays

128. Which does not have a viral etiology______________?
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A. Carcinoma Cervix

B. Nasopharyngeal carcinoma

C. Hepatoma

D. Lymphoma

129. The inflammatory type of tinea capitis with superadded secondary bacterial infection leading to a painful, circumscribed, boggy, and indurated lesion, is called_____________?
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A. Tenia incognito

B. Kerison

C. Alopecia areata

D. Pilomatrixoma

130. Robertsons cooked meat medium is best suited for cultivation of_______________?
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A. Clostridia

B. Choleria

C. Mycobacterium

D. S. epidermidis

131. Sleeping sickness is caused by_______________?
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A. Tick

B. Sand fly

C. House fly

D. Reduvid bug
132. The key cell types involved in the acquired immunity include all EXCEPT________________?
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A. Antigen presenting cells (APC

B. Erythrocytes

C. B lymphocytes

D. T lymphocytes

133. Germ tubes are formed mainly by_______________?
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A. Candida pseudotropicalls

B. Candida tropicalis

C. Candida albicans

D. Candida stellatoidea

134. Characters of exotoxin include all, except_______________?
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A. Protein polysaccharide complex

B. Has specific tissue affinity

C. Highly potent

D. Heat labile

135. For the treatment of case of class III dog bite, all of the following are correct except_____________?
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A. Give inmunoglobulins for passive immunity

B. Immediately wash wound with soap and water

C. Immediately stitch wound under antibiotic coverage

D. Give ARV

136. A mother donated a kidney to her daughter having chronic renal failure, which kind of graft it represents________________?
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A. Xeno

B. Allo

C. Auto

D. ISO

137. Portion of immunoglobulin molecule with molecular weight to 50000_________________?
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A. Secretory piece

B. H chain

C. L chain

D. J piece

138. The following immunoglobulin is not known to fix complement_________________?
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A. IgM

B. IgG

C. IgE

D. IgA

139. Confirmatory test for HIV infection is a_______________?
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A. RIPA

B. ELISA

C. Immunodot

D. Western Blot
140. The only virus, which has double stranded RNA, is______________?
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A. Reo virus

B. Calci virus

C. Rhabdo virus

D. Bunya virus