Mcq Subject: Microbiology

Which of the following are acid fast positive with 20% sulphuric acid:

A. M. avium

B. M. leprae

C. M. tuberculosis

D. Nocardia

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Pharyngeconjunctival fever is caused by –

A. Adenovirus 3 and 7

B. Adenovirus 11, 21

C. Adenovirus 40, 41

D. Adenovirus 8, 19

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Daisy head colonies are seen with –

A. Staph. Aureus

B. Corynebacterium diphtheriae

C. Staph. Pyogenes

D. Anthrax

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All are true regarding Rabies virus, except?

A. Single Stranded RNA virus

B. Linear

C. Negative sense

D. Space vehicle shaped

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N K cells activity is enahnced by –

A. IL-1

B. TNF

C. IL-2

D. TGP-b

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All are the feature (s) of chancorid except:

A. Ulcer bleed easily

B. Painful

C. Bubo formation

D. Typically indurated

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Which of the following is a superantigen

A. Cholera toxin

B. Diphtheria toxin

C. TSST

D. Vero-cytoxin

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Which of the following is/are feature of streptococcus agalactiae rather than staphylococcus aureus?

A. Catalase positive

B. Bacitracin resistant

C. Coagulase negative

D. a hemolysis

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A young male patient presented with UTI. On urine examination pus cells were found but no organisms. Which method would be best for culture?

A. Mc Coy culture

B. Thayer Main medium

C. L.J medium

D. Levinthal medium

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Chlamydia Trachomatis, false is

A. Elementary body is metabolically active

B. It is biphasic

C. Reticulate body divides by binary fission

D. Inside the cell it evades phagolysosome

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