MCQ IN MEDICINE

Detailed explanation-1: -Viruses cannot replicate unless absorbed by cells in our body. Once a virus is outside the body, its capsid starts to degrade, and the more degraded its capsid is, the less likely it is to survive.

Detailed explanation-2: -Viruses cannot reproduce outside the host because these organisms do not have the metabolic machinery of their own. Viruses do not have cytoplasm and enzymes required for reproduction. In this regard viruses must approach their respective host for reproductive components.