CBSE Class 8 Science Reaching the age of Adolescence Assignment Set E

CBSE Class 8 Science - Reaching the age of Adolescence (6)

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Chapter 10- Reaching the age of Adolescence

Answer the following questions

1. Name the hormone produced when one is very angry or worried.

2. The chemicals secreted by endocrine gland are called _________.

3. How many pairs of chromosomes are found in the nuclei of their cell?

4. Why endocrine glands are termed ductless glands?

5. Name the disease caused due to lack of insulin producation.

6. Name the hormone that controls metamorphosis in a frog. Name the mineral required by this hormone.

7. Name the gland which controls the activity of other endocrine glands.

8. Name the hormone which maintains the correct salt balance in the blood.

9. Name three glands which release their secretions through ducks.

10. Name the hormone produced by thyroid gland and the disease caused due to lack of its producation.

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