Microbiology MCQs

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Borrelia vincenti is always associated with________?

A.Spirochaetes

B.Treponema vincenti

C.None of the above

D.Fusiform bacilli

Submitted by: Academy of Pakistan

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Oil and Grease are sterilized by________?

A.Irradiation

B.Hot air oven

C.Ethylene dioxide

D.Auto claving

Submitted by: Academy of Pakistan

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Megaloblastic anaemia is caused by________?

A.Dog tapeworm

B.Threadworm

C.Hookworm

D.Fish tapeworm

Submitted by: Academy of Pakistan

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Certain viruses have been isolated in crytalline form and have been found to be________?

A.Nucleotides

B.Nucleoproteins

C.Phospholipids

D.Scleroproteins

Submitted by: Academy of Pakistan

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The structure in involved in bacterial attachment to cell surface is________?

A.Flagella

B.None of the above

C.Fimbria

D.Capsule

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The usual concentration of agar used in agar medium is________?

A.2%

B.10%

C.5%

D.15%

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Secretory Ig is________?

A.IgD

B.IgE

C.IgM

D.IgA

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Toxic shock syndrome is due to the following virulence factor________?

A.Pyrogenic exotoxin

B.Streptolysin 0

C.M protein

D.Carbohydrate cell wall

Submitted by: Academy of Pakistan

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Bacteria with potent exotoxin is________?

A.Shigella

B.Clostridium tetani

C.Pseudomonas

D.Klebsiella

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Immunoglobin, Which is produced first by the fetus in response to infection________?

A.IgM

B.IgG

C.IgD

D.IgA

Submitted by: Academy of Pakistan

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One of the following statement about statements about sterilization is not true________?

A.Flash pasteurization of milk → 72° C for 15 seconds, followed quickly by rapid cooling to 13°C for lower

B.Liquid paraffin → Dry heat

C.Glass syringes → Boiling at 169°C for 60 min

D.Vaccines → Ethylene oxide

Submitted by: Academy of Pakistan

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Blood agar is________?

A.Enriched media

B.Simple media

C.Transport media

D.Differential media

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The causative organism of syphilis is________?

A.Treponema pallidum

B.Borrelia burgolorferi

C.Leptospira interrogans

D.Chalamydia trachomatis

Submitted by: Academy of Pakistan

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Purpose of Sterilization is to eliminate________?

A.Viruses

B.Bacteria

C.Fungus

D.Spore formers

Submitted by: Academy of Pakistan

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Wasserman test test is diagnostic of________?

A.Tyhoid

B.Gonorrhea

C.TB

D.Syphilis

Submitted by: Academy of Pakistan

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