Bacteria and Gram Staining - Mock Test 8

Question 71

Cholera vaccine gives protection for?

A) 1 – 3 months B) 3 – 6 months C) 6 – 9 months D) 9-12 months

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Question 72

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 to elto

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Question 73

Main cause for Cholera is?

A) Poverty and insanitation B) Mosquitoes C) Toxin produced by pesticides D) None of these

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Question 74

The natural reservoir of infection for cholera is?

A) Flies B) Horse C) Man D) None of these

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Question 75

β-haemolytic bacteria is?

A) Streptococcus pyogenes B) Str. pneumoniae C) Str. viridans D) Str. faecalis

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Question 76

Opsonin is the?

A) Cellwall component B) Plasma component C) Serum component D) Cytoplasm component

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Question 77

Presence of viruses in the blood stream is known as?

A) Viraemia B) Bacteraemia C) Septicaemia D) Pyemia

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Question 78

Presence of viable bacteria in the blood stream is called?

A) Viraemia B) Septicaemia C) Bacteraemia D) Bactericida

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Question 79

Infection that results in pus formation are called?

A) Focal infection B) Acute infection C) Pyogenic infection D) Chronic infection

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Question 80

Attenuation means?

A) Killing of the bacteria (microorganism) B) Inactivation of bacteria C) More activating the bacteria D) Both 1 and 2

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