EASY
9th CBSE
IMPORTANT
Earn 100

Define immunity, immunization and vaccine.

Important Questions on Why Do We Fall Ill?

EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 4 - Why Do We Fall Ill?>Short Answer Type-II (SA-II) Questions>Q 8
Name three vaccines and the diseases prevented by them.
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 4 - Why Do We Fall Ill?>Short Answer Type-II (SA-II) Questions>Q 9
How can AIDS be prevented?
HARD
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 4 - Why Do We Fall Ill?>Short Answer Type-II (SA-II) Questions>Q 10
Describe, in detail, the principles of treatment and prevention of diseases.
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 4 - Why Do We Fall Ill?>Short Answer Type-II (SA-II) Questions>Q 11
What is a disease? How many types of diseases have you studied? Give examples.
MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 4 - Why Do We Fall Ill?>Long Answer (LA) Type Questions>Q 1
How can we prevent ourselves from acquiring disease?
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 4 - Why Do We Fall Ill?>Long Answer (LA) Type Questions>Q 2

Explain giving reasons:

A balanced diet is necessary for maintaining a healthy body.

EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 4 - Why Do We Fall Ill?>Long Answer (LA) Type Questions>Q 2

Explain giving reasons:

The health of an organism depends upon the surrounding environmental conditions.

EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 4 - Why Do We Fall Ill?>Long Answer (LA) Type Questions>Q 2

Explain giving reasons:

Our surrounding area should be free of stagnant water.