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प्रश्न
Define the four stages in the uterine cycle.
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उत्तर
The uterine cycle consists of four distinct stages as follows :
(i) Menstruation: It lasts for about five days.
(ii) Follicle stage: From the end of menstruation to the release of the ovum, it lasts for 10-14 days.
(iii) Ovulation: It is the release of ovum from the ovary.
(iv) Corpus luteum stage: It lasts from ovulation to menstruation for about 10-14 days.
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संबंधित प्रश्न
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| no | Column A | Column B |
| 1 | Allele | Control of automobile exhaust |
| 2 | Leydig cells | Tourniquet |
| 3 | Utriculus | Alternate forms of genes |
| 4 | Snake bite | Dynamic equilibrium |
| 5 | Euro IV norms | Testosterone |
| Sudden change in genes | ||
| Static equilibrium |
Where is the male gamete formed in humans?
Given below is a diagram of two systems together in the human body.
 |
- Name the systems.
- Name the parts numbered 1-10.
- Describe the functions of the parts 3, 4, 5 & 6.
- What will happen if the part 3 on both sides gets blocked?
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Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Acrosome
(ii) Ovulation (iii) Sperm (iv) Menopause (v) Implantation (vi) Fertilization (vii) Contraception in males |
(a) Male gamete
(b) Oviduct (c) Uterus (d) Spermatozoa (e) Progesterone (f) Stoppage of the menstrual cycle (g) Sudden change in genes |
Mention the importance of the position of the testes in humans.
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