EASY
9th CBSE
IMPORTANT
Earn 100

Name any two air-borne diseases. How does the disease causing microbe spread through air?

Important Questions on Why Do We Fall Ill?

EASY
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 2
How does HIV spread from a patient to a healthy person? Give any two methods of transmission of this disease.
EASY
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 2
How does the immune system of our body function?
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 3
How infectious diseases spread from one person to another? Explain.
EASY
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 4
Discuss the various means of spread of infectious diseases.