Restriction on the movement of people to prevent the spread of disease is called–

Correct option is A

Sol. Quarantine refers to restricting the movement of apparently healthy individuals who may have been exposed to an infectious disease, to prevent its spread during the incubation period.
Explanation of each option:
· (a) Quarantine – Correct answer. It is applied to exposed but not yet symptomatic persons, especially during epidemics like COVID-19.
· (b) Isolation – Applied to confirmed cases of infection to keep them away from healthy individuals. It differs from quarantine.
· (c) Detention – Usually refers to a legal or administrative custody, not a health-specific term in this context.
· (d) Separation – A general term, not a scientific or public health-specific term for disease control measures.