(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Biology

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Horny layer is also called as

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Which one is the most toxic?

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The vascular region of the skin is called

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Sweat glands are situated in

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Fish die in water bodies polluted by sewage due to

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Milk glands are modified

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When a person feels cold, the blood vessels

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A huge quantity of sewage is dumped in a river. The BOD will

Define the following:
Disease

Define the following:
Infection

Define the following:
Allergen

What do you understand by infectious disease? Discuss any one disease.

Match the items given in Column A with the appropriate item of Column B:

Fill in the blank:
A reaction caused by the body to some foreign is called ______.

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Which of the following diseases has been eradicated?

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Cancer is

What is the role of the skeletal system in an animal?

What are the two principal divisions of the skeleton in vertebrates?