EASY
9th CBSE
IMPORTANT
Earn 100

State differences between acute and chronic diseases.

Important Questions on Why Do We Fall Ill?

MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 4
Which type of disease causes more harm to the body—acute or chronic? Why?
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 5
What are acute and chronic diseases? Which one of the two are more harmful and why?
Give an example in support of your answer.
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 6
Identify infectious and non-infectious diseases from the following:
(a) Tuberculosis, (b) Goitre, (c) Marasmus, and (d) Typhoid.
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 7
What are the various levels of causes of diseases? Discuss with the help of an example.
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 1
Raju of Class IX was suffering from chickenpox. His friends Priya and Shaurya wanted to visit him, but Shaurya’s parents did not allow him to go. Priya already had suffered from it a few months before. Priya’s parents allowed her to visit him. What could be the reason behind their parents’ decision? What is the basis of the Principle of immunization?
EASY
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 1
Name a disease in which the immune system of the body is affected.
EASY
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 2
Define immunity.
EASY
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 5 - Why Do We Fall Ill?>Exercise>Q 3
Name the protozoans that cause:
Sleeping sickness (Trypanosoma/ Plasmodium)