CBSE Class 9 Science Why do we Fall Ill Quiz 2

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CBSE › Class 9 › Science › Why do we Fall Ill

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1. If you live in a overcrowded and poorly ventilated house, it is possible that you may suffer from which of the following diseases:

A Cancer B AIDS C Air borne diseases D Cholera

2. Which disease is not transmitted by mosquitoes?

A Dengue B Malaria C Brain fever or encephalitis D Pneumonia

3. Which one of the following is not important for individual health?

A Living in clean space B Good economic condition C Social equality and harmony D Living in a large and well furnished house

4. Choose the wrong statement.

A High blood pressure is caused by excessive weight and lack of exercise. B Cancers can be caused by genetic abnormalities. C Peptic ulcers are caused by eating acidic food. D Acne in not caused by staphylococci.

5. We should not allow mosquitoes to breed in our surroundings because they

A multiply very fast and cause pollution B are vectors for many diseases C bite and cause skin diseases D are not important insects

6. You are aware of Polio Eradication Programme in your city. Children are vaccinated because

7. Viruses, which cause hepatitis, are transmitted through

A air B water C food D personal contact

8. Vectors can be defined as

A animals carry the infecting agents from sick person to another healthy person B microorganisms which cause many diseases C infected person D diseased plants

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