Viruses From Animal and Plants – Section 1

16. What does the positive strand in double-stranded RNA viruses stand for?

A. rRNA
B. tRNA
C. mRNA
D. None of these

Correct Answer: C. mRNA

17. Which of the following characteristics would not be used to classify viruses?

A. Type of cell wall structure
B. Type of nucleic acid
C. Presence of an envelope
D. Symmetry

Correct Answer: A. Type of cell wall structure

18. Intranuclear inclusion bodies are found in cells infected with

A. Parvoviruses
B. Herpesviruses
C. Adenoviruses
D. all of these

Correct Answer: D. all of these

19. The reovirus and influenza virus contains

A. 10 different segments of dsRNA and 8 different segments of ssRNA respectively
B. 8 different segments of dsRNA and 10 different segments of ssRNA respectively
C. 5 different segments of dsRNA and 7 different segments of ssRNA respectively
D. 7 different segments of dsRNA and 5different segments of ssRNA respectively

Correct Answer: A. 10 different segments of dsRNA and 8 different segments of ssRNA respectively

20. Which type of interferon is produced by T lymphocytes?

A. α
B. β
C. γ
D. γ and β

Correct Answer: C. γ

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