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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
Draw a sectional view of human ovary and label the different follicular stages, ovum and Corpus luteum.
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions:
- Acrosome
- Nucleus
- Middle piece
Male and female gametes are ______.
Multiple choice question.
The given figure shows human sperm. Various parts of it are labelled as A, B, C, and D. Which labelled part represents acrosome?
Explain the structure of secondary oocyte.
Sex organs produce gametes which are diploid.
The male sex hormone testosterone is secreted from ____________.
Mammalian egg is ____________.
During spermatogenesis, spermatogonium grows in size to become ______.
Identify the diploid cell.
Identify the labels (i-iv) in the given diagram of the ovum.
Formation of ____________ is an indication of the termination of oogenesis.
500 spermatozoa are formed from ____________ secondary spermatocytes.
Four primary spermatocytes give rise to ______.
Select the pair of cells which does not divide further by mitosis.
In human beings, the largest cell formed during Oogenesis is ______
How many sperms are formed from a secondary spermatocyte?
Sertoli cells are found in ______.
It The cell division in secondary oocyte is suspended at ______.
Besides activating the egg another role of a sperm is to carry ______ to egg.
Layers of an ovum from outside to inside is ______.
Which of the following is a primary sex organ of female?
Mark the odd one.
Sperms can be stored for several years in liquid nitrogen with a temperature of ______.
Human milk differs from cow's milk because human milk contains:
Which type of cell division forms spermatids from the secondary spermatocytes?
Name the germinal layers from which the following organs develop: Tongue, heart, sweat glands, vagina, mammary glands, kidney.
Sketch and label the process of oogenesis.
Draw a labelled diagram of a section through the ovary.
Select a correct pair of cells with identical set of chromosomes.
