Animal Viruses

Q.

What Is Largest Virus?

Q.

Which virus has the smallest genome?

Q.

How were provirus formed?

Q. HIV is comprised of a protein coat and genetic material which is

1. single stranded DNA
2. single stranded RNA
3. double stranded RNA
4. double stranded DNA

Q. HIV is comprised of a protein coat and genetic material which is

1. single stranded DNA
2. single stranded RNA
3. double stranded RNA
4. double stranded DNA

Q. Plant viruses have _____ and animal viruses are _____.

1. DNA; Tadpole-shaped
2. RNA; Polyhedral-shaped
3. RNA or DNA; Varied in shape
4. RNA and DNA; Rod-shaped

Q. Which of the following statement is not true for retrovirus?

1. DNA is not present any stage in the life cycle of retroviruses
2. Retroviruses carry gene for RNA dependent DNA polymerase
3. The genetic material in mature retroviruses is RNA
4. Retroviruses are causative agents for certain kinds of cancer in man

Q. Which statement is incorrect?

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

Q. Plant viruses have _____ and animal viruses are _____.

1. DNA; Tadpole-shaped
2. RNA; Polyhedral-shaped
3. RNA or DNA; Varied in shape
4. RNA and DNA; Rod-shaped

Q. Reovirus has

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