Which of the following is an RNA virus:

Related Mcqs:

1. Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is__________?

   A. 100
   B. 152
   C. 162
   D. 172

2. Which one of the following remove nucleotides from the ends of DNA or RNA?

   A. Endonuclease
   B. Exonuclease
   C. S 1 nuclease
   D. Deoxyribonuclease

   Submitted by: Urooj sabar

3. Messenger RNA is formed in_________?

   A. nucleus
   B. chloroplast
   C. mitochondria
   D. none of these

4. Ribosomes + m-RNA?

   A. Polysome
   B. Phlosome
   C. Polosome
   D. None of these

5. rRNA constitutes ____________% of the total cellular RNA?

   A. 3-4 %
   B. 10-20%
   C. 80%
   D. 90%

6. DNA or RNA of viruses is enclosed in _______________ coat?

   A. Protein
   B. Carbohydrate
   C. Lipid
   D. DNA

7. An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________?

   A. DNAase
   B. RNAase
   C. DNA polymerase
   D. Reverse Transcriptase

8. RNA interference helps in__________?

   A. Cell proliferation
   B. Micropropagation
   C. Cell defence
   D. Cell differentiation

   Submitted by: Maria Aziz

9. Which of the following is the smallest known virus:

   A. Hepatitis virus
   B. Retrovirus
   C. Polio virus
   D. Pox virus

10. Which of the following viruses has caused thousands of deaths globally as an ’emergent’ virus?

    A. MERS
    B. SARS-CoV-2
    C. OC43
    D. HKUt

    Submitted by: Eesha Khalid