Question

Identify A, B and C given below :

• A. A - DNA virus - Cauliflower mosaic virus
  B - RNA virus - Pox virus
  C - Retrovirus - HIV
  
• B. A – RNA virus - T.M.V
  B - DNA virus - T4
  C - Retrovirus - HIV
  
• C. A - RNA virus - Hepatitis B virus
  B - Retrovirus - T.M.V
  C - DNA virus - φ × 174
• D. A - Retrovirus - Hepatitis B virus
  B - RNA virus - T4
  C - DNA virus - Pox virus
  

Answer 1

The correct option is B A – RNA virus - T.M.V

B - DNA virus - T4
C - Retrovirus - HIV

Most of plant viruses are RNA viruses and most of animal viruses are DNA viruses. Bacteriophage has double stranded DNA molecules.

Tobacco mosaic virus (TMV) is a single stranded RNA virus that infects a wide range of plants, especially tobacco and other members of the family Solanaceae.

T4 is a species of bacteriophages that infect Escherichia coli bacteria. It is a double-stranded DNA virus.

Retroviruses are a family of viruses that are grouped together based on how they are structured and how they replicate within a host. Human immunodeficiency virus (HIV), the virus that causes AIDS is a retrovirus.