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

Related Mcqs:

1. Bacteria protect themselves from viruses by fragmenting viral DNA with ____________?

   A. Ligase
   B. Endonuclease
   C. Exonuclease
   D. Gyrase

   Submitted by: Maria Aziz

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

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

3. 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

4. Fatty acids containing 18 C atoms and a single double bond is____________?

   A. Saturated Fatty acid
   B. Unsaturated fatty acid
   C. Oleic Acid
   D. Plamitic acid

5. Which of the following is not a viral disease?

   A. Cowpox
   B. Mumps
   C. Tetanus
   D. Small pox

6. Which of the following disease results in Paralysis due to viral attack on C.N.S:

   A. Measles
   B. Herpes simplex
   C. Hepatitis
   D. Polio

7. Ribosomes + m-RNA?

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

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

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

9. Which of the following is an RNA virus:

   A. Influenza virus
   B. Herpes virus
   C. HBV
   D. Pox virus

10. RNA interference helps in__________?

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

    Submitted by: Maria Aziz