Multiple choice

Why should we keep a handkerchief on the nose and mouth while sneezing?

  1. It prevents the growth of microorganism

  2. It presents breeding of microorganism in air

  3. It prevents spread of micro organisms in the air

  4. It promotes growth of microorganism

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Communicable diseases may spread from a diseased to a healthy person through air, water or food. When we sneeze, we release micro organisms into air. If they are disease-causing, they will infect the other person also.