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प्रश्न
What is the difference between a primary oocyte and a secondary oocyte?
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उत्तर
| Primary oocyte | Secondary oocyte |
| Primary oocyte is a diploid cell formed in foetal ovary when the gamete mother cell, oogonia is arrested at prophase-I of meiosis. | Secondary oocyte is the haploid cell formed from primary oocyte that completes its first meiotic division, during puberty and produces the female gamete ova. |
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संबंधित प्रश्न
Give the name and function for ‘A’ and ‘B’ from the diagram given below

______ type of reproduction occurs without fusion of gametes.
At the time of birth, there are _______________ oocytes in the ovary of a female foetus.
Sex organs produce gametes which are diploid.
The male sex hormone testosterone is secreted from ____________.
Mammalian egg is ____________.
The process which the sperm undergoes before penetrating the ovum is ____________.
Draw a labeled sketch of a spermatozoan.
Define gametogenesis.
Give a schematic representation of spermatogenesis and oogenesis in humans.
Expand the acronym.
LH
Which of the following are known as the nourishing cells present in the seminiferous tubules?
Identify the proper order of spermatogenesis and choose the correct option.
Identify the correct stages (P - S) in the given diagram of spermatogenesis.

Four primary spermatocytes give rise to ______.
Draw a labelled diagram of a Graafian Follicle.
By which process sperms released from the seminiferous tubules?
Corona radia is made up of ______.
Cells of corona radiata remain grouped together by ______.
