Question

Viruses may only be grown
A. in sterile, cell-free chemical growth media.
B. in living cells.
C. at body temperature.
D. in darkness.

Answer 1

Answer: B. in living cells.

Explanation:

A virus is an infectious agent. It is parasitic in nature. It is of small size and of simple composition. It requires a living host to grow and reproduce.

It transfers it's genetic materials into the host cell machinery. In the host cell the virus utilizes the host cell machinery to replicate it's own DNA or RNA.