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प्रश्न
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.
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उत्तर
- Ovulation. It is the release of a mature egg from the ovary into the fallopian tube.
- Corpus luteum. The corpus luteum appears soon after ovulation, when an egg is released from the ovary. The corpus luteum's primary role is to secrete hormones (progesterone) that prepare the uterus to sustain growth.
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संबंधित प्रश्न
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?
Explain the term Graffian follicle.
Name the Following
The age or period when the reproductive organs become fully operational.
Name the part of the human female reproductive system where the following occurs.
Implantation
Primordial follicle cells undergo mitotic division to produce ______.
The part of fallopian tube closest to the ovary is ______.
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.
What is the signifacance of fertilisation?
Rewrite the terms in the correct order so as to be in a logical sequence.
Graafian follicle, ostium, uterus, fallopian tube, ovum.
The ______ is also called the womb.
