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प्रश्न
Differentiate between the following pair:
Uterus and vegina
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उत्तर
Uterus is a hollow, pear shaped muscular organ located in the pelvic cavity. It is the site of implantation for the embryo after fertilisation whereas the vagina is the muscular tube extending from the cervix to the outside. At the time of sexual intercourse, the vagina receives the male penis and provides entry for the sperms.
संबंधित प्रश्न
Where in the fallopian tube does fertilization occur in humans?
Choose the odd one in each of the following:
Seminiferous tubule; ovum; epididymis; sperm duct; urethra
Give appropriate term of the following:
The rupture of follicle and release of ovum from the ovary.
Choose the correct answer:
The onset of menstruation in the female is termed __________
Explain the term Graffian follicle.
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.
Select the correct sequence of various physical and chemical events that take place during fertilisation.
P. Fusion of cortical granules with the plasma membrane of secondary oocyte.
Q. Formation of fertilization cone to receive sperm.
R. Release of sperm lysin from acrosome.
S. Mixing up of chromosomes of a sperm and an ovum.
Mother gives birth to a baby but the baby has characters of both parents. How is this possible?
Give reason.
Placenta is extremely essential for foetal development.
The ______ is also called the womb.
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.
