Viruses(Microbiology ) Questions and answers for exam Preparation

Question 1. Which of the following viruses carry minus-strand RNA?

rhabdoviruses
picornaviruses
retroviruses
tobacco mosaic viruses

Explanation:-

Answer: Option A. -> rhabdoviruses
Answer: (a).rhabdoviruses

Question 2. How many dsRNA segments are present in the reovirus genome?

1
3
50
10

Explanation:-

Answer: Option D. -> 10
Answer: (d).10

Question 3. Enterovirus belongs to which of the following family of viruses?

Tymovirus
Picornaviridae
Reoviridae
Closterovirus

Explanation:-

Answer: Option B. -> Picornaviridae
Answer: (b).Picornaviridae

Question 4. Rous sarcoma virus consists of RNA as its genetic material.

True
False
May be
Can't say

Explanation:-

Answer: Option A. -> True
Answer: (a).True

Question 5. Which of the following viruses possess an envelope?

Herpesvirus
Reovirus
Tobacco mosaic virus
Papillomavirus

Explanation:-

Answer: Option A. -> Herpesvirus
Answer: (a).Herpesvirus

Question 6. In which of the following categories of cancer solid tumors grow from derivatives of embryonal mesoderm?

Leukemias
Lymphomas
Sarcomas
Carcinomas

Explanation:-

Answer: Option C. -> Sarcomas
Answer: (c).Sarcomas

Question 7. Anaplasia is structural abnormality of cells.

True
False
May be
Can't say

Explanation:-

Answer: Option A. -> True
Answer: (a).True

Question 8. Which among the following is the family of RNA containing viruses that can cause cancer in animals?

Herpesviridae
Adenoviridae
Papovaviridae
Retroviridae

Explanation:-

Answer: Option D. -> Retroviridae
Answer: (d).Retroviridae

Question 9. Cancer of the lip of mouth have been associated with ___________

HSV1
HSV2
EBV
SV 40

Explanation:-

Answer: Option A. -> HSV1
Answer: (a).HSV1

Question 10. The Epstein-Barr virus (EBV) can induce tumors in _____________

mouse
monkey
humans
rodents

Explanation:-

Answer: Option C. -> humans
Answer: (c).humans