microbiology MCQs – Page 18

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

microbiology Mcqs
341. Secretory Ig is_______________?
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A. IgE

B. IgD

C. IgM

D. IgA
342. Granules in the corynebacterium diphtheria are called by following names, except______________?
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A. Voluntin granules

B. Refractile granules

C. Babes Ernst granules

D. Metachromatic granules

343. Hospital dressing is best disposed by_____________?
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A. Burying

B. Dumping

C. Autoclaving

D. Incineration
344. Pasteur developed the vaccine for_______________?
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A. Rabies

B. All of the above

C. Anthrax

D. Cholera

345. About N. gonorrhoea, all are true except__________________?
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A. Found exclusively in human beings.

B. Most common cause of urethritis is male

C. Wide spread axoregnic stains cause disseminated gonococcal infection

D. All stains are highly susceptible to penicillin
346. Sterilisation control for moist heat is or The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?
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A. Using chemical indicator

B. Using non-pathogenic strain of clostridium tetani

C. Using methylene blue

D. using Bacillus stearo thermo philus
347. Leptospirosis, all are true except______________?
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A. Incubation period is 10 days

B. It is sensitive to penicillin

C. Faeces & urine of rodents is the cause

D. Onset of IgM in 2 days
348. Drumstick appearance is seen in______________?
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A. Cl. sphenoids

B. Cl. tetanomorphum

C. Cl. tetani

D. All of the above

349. which of the following is anaerobic_______________?
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A. Pseudomonas

B. E.coli

C. Klebsiella

D. Bacteroides
350. Dark ground microscopy is useful to identify______________?
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A. Chlamydiae

B. Spirochaetes

C. Rickettsiae

D. Mycoplasma

351. Which of the following have the capability to produce extra cellular polysaccharides______________?
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A. Strep. Mutans

B. Strep. pyogenes

C. Enterococcus

D. Peptostreptococcus

352. The commonly used fluorescent dye in the detection of tubercie bacilli________________?
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A. Auramine and Rhodamine

B. Congo red

C. Thioglavin

D. Acridine orange

353. Immunoglobulin consists of________________?
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A. 1 heavy, 2 light chains

B. 3 light, 1 heavy chain

C. 1 light, 1 heavy chain

D. 2 light, 2 heavy chains
354. The genetic ability of a bacterium to grow in the presence of several antibiotics is passed in vivo from one bacterium to another by_____________?
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A. Conjugation

B. Rarefaction

C. Transformation

D. Transduction

355. Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________?
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A. Fusobacterium nucleatum

B. Bacteroides fragilis

C. Actinomyces Israeli

D. Peptostreptococcus anaerobius

E. All of the above
356. Multiple drug resistance of bacteria depends on which of the following_______________?
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A. Colicigenic factor (Col)

B. Fertility factor (F+)

C. All of the above

D. Resistance transfer factor (RTF)
357. Following are the characteristics of Vincents angina EXCEPT_______________?
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A. Caused due to malnutrition

B. Ulcerative gingivostomatitis

C. A symbiotic infection

D. Caused by leptospira interrogans
358. The diagnostic investigation for syphilis is__________________?
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A. TPI test

B. VDRL test

C. TPHA test

D. FTAB test

E. Both C & D
359. Culture medium for corynebacterium diphtheria______________?
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A. Mc Conkey

B. Loefflers serum slope

C. Lowenstein Jensen Medium

D. Saborauds agar

360. Which is not true about vibrio cholera_________________?
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A. Grows on simple media

B. Man is the only natural host

C. It is non-halophilic

D. Cannot survive in extracellular environment