i. In which disease is there an uncontrolled division of cells resulting in formation of tumours? How is this disease detected?
ii. How do interferons help in controlling the disease?

Explanation

i. In cancer disease there is an uncontrolled division of cells resulting in formation of tumours. Detection of cancer is done by biopsy and histopathological tests.
ii. Interferons are antiviral protein by virus infected cells. They are re- leased from the infected cells and make the nearby uninfected cells more resistant to the viral infection.