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2. Reaching the Age of Adolescence
Home · Class 8 · Biology · Ref. Book · 2. Reaching the Age of Adolescence
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Q3 of 13 Page 162

Prepare a colourful poster on the theme, ‘Say No to Drugs’.

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6

The human sperm consist of head, middle piece and tail. What purpose does the tail in a sperm serve?

7

Babu heard his mother and aunty talking about his cousin who is going to have a baby; they were discussing whether she would give birth to a boy or girl,

a. Will it be possible to judge the sex of the child by them?


b. What makes the fertilized egg develop either into a boy or a girl?

1

How many of your classmates are doing exercises regularly and who do not exercise regularly? Did you notice any difference in their fitness and health? Prepare a chart on their benefits of regular exercise and fix it in your classroom.

2

Collect information from newspapers, magazines and from the local health centre about the evil effects of cigarettes and alcohol. Prepare a chart and display it permanently in your classroom..

Questions · 13
2. Reaching the Age of Adolescence
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