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प्रश्न
What is hymne?
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उत्तर
Hymen is a thin membrane which partially covers the opening of the vagina in young females.
संबंधित प्रश्न
What happens in a girl’s body under the influence of hormones?
Choose the odd one in each of the following:
Seminiferous tubule; ovum; epididymis; sperm duct; urethra
After puberty human female shows cyclic changes in her reproductive system. Explain structural and hormonal changes in the uterus.
(OR)
Give reasons :
(1) Scrotal sac serves as thermoregulator.
(2) Corpus luteum gets converted into corpus albicans in absence of fertilization.
(3) Missing of menses is the first indication of pregnancy.
(4) Surgical sterilization is a permanent method of birth control. (5) Human egg is microlecithal.
Name the following:
The part of the female reproductive system in which fertilization occurs.
Hormones secreted by the ovary of the female reproductive system.
The opening of the vagina is often covered partially by a membrane called ______.
The period during adolescence when the reproductive tissues begin to mature is called ______
Read the following and answer from given below:
During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.
What is the signifacance of fertilisation?
Female reproductive organs and associated functions are given below in column A and B. Fill the blank boxes.
| Column A | Column B |
| Ovaries | Ovulation |
| Oviduct | a |
| b | Pregnancy |
| Vagina | Birth |
The diagram given below shows a section of the human ovary.
- Name the process for the release of the part labelled 1.
- Write the name of the structure marked 2.
