English Medium Class 9 - CBSE Question Bank Solutions

Give two examples for each of the following

Infectious diseases

Give two examples for each of the following

Non-infectious diseases

Pneumonia is an example of ______ disease.

Many skin diseases are caused by ______.

Antibiotics commonly block biochemical pathways important for the growth of ______.

Living organisms carrying the infecting agents from one person to another are called ______.

Name the target organs for the following diseases

Hepatitis targets ______.

Name the target organs for the following diseases

Fits or unconsciousness targets ______.

Name the target organs for the following diseases

Pneumonia targets ______.

Who discovered ‘vaccine’ for the first time? Name two diseases that can be prevented by using vaccines

______ disease continues for a few days and causes no longer-term effect on the body.

______ is defined as physical, mental and social well-being and comfort.

Explain giving reasons

Our surrounding area should be free of stagnant water.

What precautions will you take to justify “prevention is better than cure”.

Why are antibiotics not effective for viral disease?

Becoming exposed to or infected with an infectious microbe does not necessarily mean developing a noticeable disease. Explain.

Give any four factors necessary for a healthy person.

Marked temperature changes in the aquatic environment can affect

During summer, if you go near the lake, you feel relief from the heat, why?

Weeds affect the crop plants by