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प्रश्न
What is oogenesis?
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उत्तर
Oogenesis is the process of forming a mature female gamete (ovum). It occurs in the ovaries of the female reproductive system. Oogenesis is a discontinuous process; it begins before birth, stops mid-process, and only resumes after menarche.
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संबंधित प्रश्न
With the help of diagrammatic representation, explain the process of gametogenesis
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions:
- Acrosome
- Nucleus
- Middle piece
The fusion of the male and the female gametes is called ______.
At the time of birth, there are _______________ oocytes in the ovary of a female foetus.
What is gamete formation?
Give scientific reason.
Older women are more likely to give birth to children with some abnormalities.
In angiosperms, the pollen germinates to produce a pollen tube that carries two gametes. What is the purpose of carrying two gametes when a single gamete can fertilize the egg?
Draw a labeled sketch of a spermatozoan.
Describe the structure of the human ovum with a neat labelled diagram.
Expand the acronym.
LH
Which of the following are known as the nourishing cells present in the seminiferous tubules?
What is the location of oogenesis?
Draw a labelled diagram of a Graafian Follicle.
Find out the CORRECT sequence of spermatogenesis.
How many sperms are formed from a secondary spermatocyte?
Which of the following stage of oogenesis forms a membrane called zona pellucida surrounding it?
The immature male germ cell undergo division to produce sperms by the process of spermatogenesis.
Choose the correct one with reference to the above.
There is no cell division involved in ______.
Corona radia is made up of ______.
Cells of corona radiata remain grouped together by ______.
At the time of organogenesis, genes regulate the process at different levels and at different time due to ______.
In oogenesis haploid egg is fertilised by sperm at which stage?
Layers of an ovum from outside to inside is ______.
What does the figure represent?
What is the difference between a primary oocyte and a secondary oocyte?
Process of maturation and development of sperms ______.
The process of gametogenesis is initiated by ______ and ______ hormones respectively.
In which structures does spermatogenesis occur?
Which of the following phases are shared by both spermatogenesis and oogenesis?
