Plant Viruses

Q. Viruses infecting plants usually have ________________ as their genetic material.

1. ss DNA
2. ds DNA
3. ss RNA
4. ds RNA

Q. The virus given in the diagram infects

1. animals
2. plants
3. protists
4. bacteria

Q.

The virus which infects Bacteria is called as

1. Bacteriophage

2. TMV

3. Retrovirus

4. SMV

Q.

Can viruses reproduce on their own?

Q.

Do viruses multiply?

Q. Which statement is incorrect?

1. Plant virus contains RNA
2. Animal virus contains DNA
3. T₄ contains dsDNA
4. TMV contains dsRNA

Q.

Where do Viruses come from?

Q.

The genetic material of TMV is

1. double-stranded circular DNA

2. double-stranded linear DNA

3. single-stranded spiral RNA

4. single-stranded straight RNA