English Medium इयत्ता ९ - CBSE Question Bank Solutions for Science

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

Berseem is an important ______ crop.

______ are rich in vitamins.

______ crop grows in winter season.

What is a GM crop? Name anyone such crop which is grown in India.

Kharif crops are cultivated from ______ to ______.

Discuss the role of hybridisation in crop improvement.