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प्रश्न
Define the following term:
Hymen
उत्तर
The opening of the vagina in young females is partially closed by a thin membrane called the hymen (or virgin knot).
संबंधित प्रश्न
Where in the fallopian tube does fertilization occur in humans?
The diagram alongside is the vertical section of female reproductive organs. Study the diagram and answer the questions that follow:
(i) Name the fully developed part of ovary containing the ovum.
(ii) Name the organ of the female body in which the foetus develops.
(iii) What is ovulation?
(iv) Which two hormones are secreted by ovary?
Given here is a section of the female reproductive system of human beings.
Name the part where fertilisation occurs in human beings.
The opening of the vagina is often covered partially by a membrane called ______.
To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.
Which structure in the ovary will remain functional in subject 2?
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.
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.
Site of fertilization in human is ______
What is the role of cervix in the human female reproductive system?
The ______ is also called the womb.
Name these:
2 hormones secreted from the corpus luteum.
