microbiology MCQs – Page 19

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

microbiology Mcqs

361. Actinomycosis is caused by______________?
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A. Acid fast, non-motile bacillus

B. Anaerobic, gram positive, non-acid fast bacteria.

C. Retrovirus

D. Fungus

362. Common inhabitant of throat and tonsils is______________?
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A. Beta hemolytic streptococci

B. Alpha hymolytic streptococci (S. viridans)

C. Pneumococci

D. Staphylococci

363. Commonest mycobacterial infection in tropical countries_______________?
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A. Kansasi

B. M. tuberculosis

C. M. leprae

D. M. avium intracellulare

364. Phage conversion is required for________________?
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A. Tularemia

B. Diptheria

C. All o f the above

D. Gonorrhoea

365. Which of the following antibacterial substance is present in eggs and saliva ?
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A. Albumin

B. Lysozyme

C. Secretozyme

D. Isozyme

366. One of the following staining methods is an example of negative staining_______________?
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A. Zheil-Neilsons staining

B. Grams staining

C. India ink preparation

D. Fontanas staining

367. Bacteria acquire characteristics by all the following except_______________?
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A. Through plasmids

B. Through bacteriophages

C. Incorporating part of host DNA

D. Through conjugation

368. Neurotoxin of tetanus acts on______________?
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A. Brain

B. Synapse

C. Muscle

D. Spinal card

369. The spirochete which is associated with fusospirochetosis is______________?
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A. Borrelia burgdorferi

B. Treponema pallidum

C. Treponjema pertenue

D. Borrelia vincenti

370. Actinomycosis is a_________________?
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A. Aerobic fungal disease

B. Anaerobic bacterial disease

C. Aerobic bacterial disease

D. Anaerobic fungal disease

371. Synthesis of antibodies in plasma cells occurs in_________________?
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A. Nucleus

B. Golgi body

C. Mitochondria

D. Endoplasmic reticulum

372. Phospholipid used to investigate syphilis by the reagin test is________________?
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A. Cardiolipin

B. Serine

C. Palmityl lecithin

D. Plasminogen

373. The following are applicable to bacterial genoms except________________?
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A. It is composed of DNA

B. It doe not contain histones

C. It is circular

D. Its DNA has both introns and extrons

374. Staphylococcal toxic shock syndrome (SSS syndrome) is due to______________?
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A. Enterotoxin D

B. Enterotoxin B

C. Enterotoxin A

D. Enterotoxin F

375. Cough plate method is used to identify________________?
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A. Pertussis

B. M-Tuberculosis

C. Y. pestis

D. Mycoplasma

376. Noguchis medium is used for________________?
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A. Bordetella

B. Borrelia

C. None of the above

D. Brucella

377. Nagglers reaction is used in the diagnosis of______________?
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A. Gas gangrene

B. Wool sorters disease

C. Malaria

D. Whooping cough

378. All are not true for cultivation of anaerobic organisms except_______________?
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A. Incubator

B. anaerobic jar

C. Refrigerator

D. Centrifuge

379. Leprosy bacilli are transmitted from person to person by all except______________?
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A. Through breast milk

B. From open sore

C. Through intact skin

D. Dischange from nasal mucosa

380. T cell matures in______________?
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A. Lymph node

B. Payers patch

C. Thymus

D. Busra of Fabricius

Showing 361 to 380 of 502 mcqs