Question

RNA is the genetic material in

• A. T4 virus
• B. T2 virus
• C. TMV
• D. SV40

Answer 1

The correct option is C

TMV

The correct option is C

Explanation of the correct option:

1. TMV or tobacco mosaic virus is a helical rod-shaped plant virus that is found in all parts of the plant.
2. The genetic material is ssRNA.
3. TMV was the first virus to be discovered.

Explanation of the incorrect option:

Option A:

1. T4 virus is a species of bacteriophages.
2. They infect Escherichia coli bacteria.
3. The genetic material in the T4 virus is ds-DNA.

Option B:

1. T2 is a virulent bacteriophage.
2. The genetic material of the T2 virus is ds-DNA.
3. The genetic material is covered by a protective protein coat.

Option D:

1. SV40 is a polyomavirus found in humans and monkeys.
2. They are oncogenic viruses.
3. The genetic material of the SV40 virus is DNA.

Final answer: RNA is the genetic material in TMV.