Top 250+ Solved Bacteria and Gram Staining MCQ Questions Answer

From 226 to 240 of 263

Q. Opsonin is the

a. Cellwall component

b. Plasma component

c. Serum component

d. Cytoplasm component

  • c. Serum component

Q. The natural reservoir of infection forcholera is

a. Flie

b. Horse

c. Man

d. None of these

  • c. Man

Q. Main cause for Cholera is

a. Poverty and insanitation

b. Mosquitoes

c. Toxin produced by pesticides

d. None of these

  • a. Poverty and insanitation

Q. Vibrio cholera differs from vibrio eltor by

a. It shares some Inaba, Ogawa subtypes with eltor

b. Resistant to polymuxin

c. Eltor is non-motile

d. Causes less subclinical infections as compared

  • d. Causes less subclinical infections as compared

Q. Cholera vaccine gives protection for

a. 1 – 3 month

b. 3 – 6 months

c. 6 – 9 months

d. 9-12 months

  • b. 3 – 6 months

Q. Prophylaxis of cholera is

a. Protected water supply

b. Environmental sanitation

c. Immunisation with killed vaccines

d. All of these

  • d. All of these

Q. Sh.dysenteriae is also known as

a. Sh.shiga

b. Sh.schmitzi

c. Both a and b

d. Sh.para dysenteriae

  • c. Both a and b

Q. Acid fast bacteria are

a. Neisseria

b. Staphylococci

c. Mycobacteria

d. All of the above

  • c. Mycobacteria

Q. Mycobacteria are stained with

a. Gram’s staining

b. Simple staining

c. Both a and b

d. Ziehl – Neelsen’s staining

  • d. Ziehl – Neelsen’s staining

Q. Niacin test is positive in case of

a. Corynebacterium

b. M. tuberculosis

c. M. bovis

d. M. avium

  • b. M. tuberculosis

Q. Lepromin test

a. Is negative in tubercular leprosy

b. Positive in lepromatous type

c. Indicated delayed hypersensitivity test

d. Indicates infection

  • c. Indicated delayed hypersensitivity test

Q. Streptococcus forms causes which type ofinfections?

a. Fever

b. Zoonotic

c. Pyogenic

d. None of these

  • d. None of these

Q. Streptococcus pyogenes classification isbased on

a. Protein M

b. Protein T

c. Protein R

d. Polysaccharide C

  • a. Protein M

Q. Streptolysin O is inactivated by

a. CO2

b. Nitrogen

c. Oxygen

d. Serum

  • c. Oxygen

Q. Streptolysin ‘S’ is

a. Oxygen unstable

b. Thermostable

c. Oxygen stable

d. None of these

  • c. Oxygen stable
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