Question

Under which of the following conditions are you most likely to fall sick?

(a) when you are taking examinations.
(b) when you have travelled by bus and train for two days.
(c) when your friend is suffering from measles.

Why?

NCERT Class IX
Sciences - Main Course Book

Chapter 13. Why Do We Fall Ill

Answer 1

I think I will be most likely to fall sick when my friend is suffering from measles because measles is a contagious disease and it can pass from disease person to a healthy person.

Transmission of infection occur through direct contact or some medium like air & water.

If Anyone is suffering from measles we should always stay away from him otherwise we might easily get infected with the disease because it is a communicable disease.

================================================================

Hope this will help you....

Answer 2

Answer:

I think that we are most litkely to suffer from measles.

Explanation:

because I is a infectious disease and can be transmitted from a healthy person to infectious person