Jaundice is a physiological liver disease. It is caused by a

Retroviruses contain ...... as their genetic material.

Which of the following diseases is caused by the smallest virus?

Which one of the following is the cause of yellow fever?

Recently,$Chikungunya$ and $Dengue$ cases were reported from various parts of the country. Choose the correct vector responsible for these diseases.

If interferon is being produced in the body of a sick person,the person is most likely to be suffering from