Virus - Mock Test 11

Question 101

Cryptogram of TMV is

A) R/2 : 2/5 : E/E : X/S B) R/1 : 2/5 : E/E : S/A C) R/1 : 1/8 : S/S : S/AP D) R/1 : 2/7 : E/E : S/A

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Question 102

Stanley got the noble prize for

A) Discovering virus B) Crystallizing virus C) Naming phages D) Discovering antibiotic

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Question 103

The infective nature of tobacco mosaic disease was discovered by

A) Ivanowsky B) Mayer C) Beijerinck D) Stanley

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Question 104

Smallest plant virus is

A) TMV B) Citrus tristeza virus C) Tobacco necrosis satellite virus D) Smallpox virus

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Question 105

A mixture of viruses, bacteria & mycoplasma are boiled in a test tube at 100 C for some time which of these would survive

A) Virus B) Bacteria C) Mycoplasma D) All

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Question 106

Which part of a virus enters into its host

A) envelope B) Capsid C) Nucleic acid D) All together

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Question 107

Scrapie disease of cattle’s is caused by

A) Bacterium B) Virus C) Prion D) Mycoplasma

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Question 108

The smallest disease causing agent is

A) Virion B) Viroid C) Prion D) Mycoplasma

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Question 109

Tailed bacteriophage are

A) Motile on the surface of bacteria B) Actively motile in liquid water C) Motile on the surface of its host D) None motile

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Question 110

Which of the following virus is devoid of protein coat and entirely composed of RNA only

A) TMV B) Pox virus C) PSTV D) Calimo virus

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