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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
Women are often blamed for producing female children. Consequently, they are ill-treated and ostracized. How will you address this issue scientifically if you were to conduct an awareness programme to highlight the values involved?
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions:
- Acrosome
- Nucleus
- Middle piece
Name the hormones involved in regulation of spermatogenesis.
______ type of reproduction occurs without fusion of gametes.
Describe the process of oogenesis in human female.
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?
Which of the following occurs during maturation phase of spermatogenesis?
Which is the correct order of steps occurring during spermatogenesis?
Identify the correct stages (P - S) in the given diagram of spermatogenesis.
The immature male germ cells differentiates into ______ at the end of meiosis I.
First meiotic division is observed in ____________.
Which of the following contains a fluid filled cavity called antrum?
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 ______.
Which among the following has 23 chromosomes?
Identify the wrong statement from the following.
Cavity of graafian follicle is ______.
A reaction of granules content which harden the zona pellucida and ensures sure block to polyspermy is ______.
The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called ______.
In oogenesis haploid egg is fertilised by sperm at which stage?
In the process of fertilization, this is true:
Capacitation refers to changes in the ______.
How many primary oocytes produce one oogonia?
During spermatogenesis meiosis occurs in ______.
Distinguish between human sperm and ovum.
What is spermatogenesis?
Draw a labelled diagram of a section through the ovary.
Select a correct pair of cells with identical set of chromosomes.
