HARD
9th CBSE
IMPORTANT
Earn 100

What is a disease? How many types of disease have you studied? Give examples.

Important Questions on Why Do We Fall ill

MEDIUM
9th CBSE
IMPORTANT
What do you mean by disease symptoms? Explain giving two examples.
HARD
9th CBSE
IMPORTANT
Becoming exposed to or infected with an infectious microbe does not necessarily mean developing the noticeable disease. Explain.
EASY
9th CBSE
IMPORTANT
The technique of providing immunity by vaccination was first developed by
EASY
9th CBSE
IMPORTANT
'Penicillin', a life saving antibiotic, was discovered by
MEDIUM
9th CBSE
IMPORTANT
For which disease 'oral' vaccine is given?
EASY
9th CBSE
IMPORTANT
‘BCG’ vaccine is given to infants for protection against
EASY
9th CBSE
IMPORTANT
Making anti-viral drugs is more difficult than making anti-bacterial medicines because
EASY
9th CBSE
IMPORTANT
You are aware of the Polio Eradication Programme in your city. Children are vaccinated because