Free CBSE Class 9 Science Why do we fall ill? Worksheets

Download free printable Why do we fall ill? Worksheets to practice. With thousands of questions available, you can generate as many Why do we fall ill? Worksheets as you want.

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Sample CBSE Class 9 Science Why do we fall ill? Worksheet Questions

1.
Define immunisation.
2.
Define congenital disease.
3.
Why is it difficult to make to make anti-viral drugs?
4.
State True or False: Cancers can be caused by genetic abnormalities.
1. TRUE 2. FALSE
5.
State True or False: Peptic ulcers are caused by eating acidic food.
1. TRUE 2. FALSE
6.
State True or False: High blood pressure is caused by excessive weight and lack of exercise.
1. TRUE 2. FALSE
7.
State True or False: Common cold is an acute disease.
1. TRUE 2. FALSE
8.
Expand SARS.
9.
Define immunisation.
10.
Write four different types of diseases.

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