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Question
What are the functions of testes?
Solution
The main function of testes is the production or formation of sperms. They also secrete male sex hormone testosterone which is responsible for the development of secondary sexual characters in males.
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RELATED QUESTIONS
Suppose a normal woman has never borne a child; How many mature eggs would she have produced in her lifetime? Your calculation should be based on two clues-
(a) Eggs are produced at the rate of 1 egg every 28 days (one menstrual cycle)
(b) A woman’s total reproductive period is 13 – 45 years.
Give appropriate term of the following:
The attachment of developing zygote (blastocyst) on the uterine wall.
What happens to uterus if fertilization takes place? And what happens to uterus if fertilization does not take place?
The diagram given below is that of a developing human foetus in the womb. Study the same and answer the question that follow:
What term is given to the period of development of the foetus in the womb?
How is the fetus protected?
Give Reasons
A large number of sperms are required for fertilizing one egg.
Give Technical Term:
Rupture of the follicle and release of the ovum from the ovary.
Define.
Fertilization
Explain the process of fertilization.
Match the items in column I with those in column II and write down the matching pairs (some may not match).
| Column I | Column II | ||
| (a) | Acrosome | (i) | An embryo which looks like human baby. |
| (b) | Gestation | (ii) | Luteinizing hormone |
| (c) | Menopause | (iii) | Ovum producing cells. |
| (d) | Foetus | (iv) | Semen |
| (e) | Oogenesis | (v) | Spermatozoa |
| (f) | Ovulation | (vi) | Complete stoppage of menstrual cycle. |
| (vii) | Time taken by a fertilised egg till the delivery of baby. |
