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10. Reaching the Age Adolescence
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Q66 of 130 Page 183

What are sex hormones? Name two sex hormones.

Hormones released by the reproductive organs like testes and ovaries and involved in the development of secondary sexual characteristics are called sex hormones. The two common sex hormones are testosterone and estrogen.


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64

What will be the sex of the child born:

(a) if X chromosome carrying sperm fuses with an egg cell carrying X chromosome?


(b) if Y chromosome carrying sperm fertilizes an ovum containing X chromosome?

65

What are hormones? Where are hormones made in the human body?

67

Define (i) menarche, and (ii) menopause.

68

What is menstruation? Explain.

Questions · 130
10. Reaching the Age Adolescence
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