CBSE Class 8 Science Worksheet - Reaching the Age of Adolescence Part A

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CBSE Class 8 Science Worksheet - Reaching the Age of Adolescence Part A. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and CCE guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.

Fill in the blanks :

1.The period of life, when the body undergoes changes, leading to reproductive maturity is called _____________________.

2.The age at which reproductive organs become functionally active is called ____________________________.

3.Increase in height occurs during _______________________.

4.____________________ are external characters which are directly not involved in the process of reproduction.

5.The changes which occur during adolescence are controlled by ________________________________.

6.The hormones are produced in special organ are called __________________________________.

7.Endocrine glands are also called _______________________ glands.

8.In frog metamorphosis is controlled by _____________________ hormone.

Answer the following :

1. Name the sex hormone in humans.

2. Name the disease caused due to deficiency of the hormone thyroxine.

3. Name the hormone produced by the adrenal gland.

4. Name the master gland.

5. What are the type of sex hormones produced by males ?

6. How many pairs of chromosomes as human body cell contain ?

Please refer to attached file for CBSE Class 8 Science Worksheet - Reaching the Age of Adolescence Part A


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