What does the positive strand in double stranded RNA viruses stands for? rRNA tR

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Home ‣ Microbiology ‣ Viruses From Animal and Plants Comments

Question
What does the positive strand in double stranded RNA viruses stands for?
Options
A. rRNA
B. tRNA
C. mRNA
D. None of these

Correct Answer

mRNA

Viruses From Animal and Plants problems

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1. The tissue structure deteriorates as the virus multiplies. This deterioration is called
Options
A. aneuploidy
B. protopathic effect
C. cytopathic effect
D. none of these

Discuss

Correct Answer: cytopathic effect

2. Transfer of infection from cell to cell occurs mainly by direct transfer of virions via
Options
A. plasmodesmata
B. cytodesmata
C. protodesmata
D. none of these

Discuss

Correct Answer: plasmodesmata

3. Which of the following virus is transmitted by the respiratory route?
Options
A. Rhinovirus
B. Coronavirus
C. Measles virus
D. All of these

Discuss

Correct Answer: All of these

4. Supercoiling refers to the extra turns in the structure of ds DNA due to the action of
Options
A. DNA gyrase
B. DNA pyrase
C. RNA gyrase
D. RNA pyrase

Discuss

Correct Answer: DNA gyrase

5. Which of the following virus is transmitted by genital route?
Options
A. Papillomaviruses
B. Herpes simplex virus type 2
C. Hepatitis B virus
D. All of these

Discuss

Correct Answer: All of these

6. The reovirus and influenza virus contain
Options
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

Discuss

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

7. The structural abnormality of cells is termed as
Options
A. hyperplasia
B. anaplasia
C. metastasis
D. all of these

Discuss

Correct Answer: anaplasia

8. Which type of interferon is produced by virus-infected cells?
Options
A. ?
B. ?
C. Both (a) and (b)
D. None of these

Discuss

Correct Answer: Both (a) and (b)

9. What is the function of positive strand in double stranded RNA viruses?
Options
A. Synthesis of protein
B. Production of ribosomes
C. Both (a) and (b)
D. None of these

Discuss

Correct Answer: Synthesis of protein

10. Animal viruses with capsids displaying helical symmetry include
Options
A. measles and mumps
B. influenza
C. rabies
D. all of these

Discuss

Correct Answer: all of these

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What does the positive strand in double stranded RNA viruses stands for?

Viruses From Animal and Plants problems

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