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प्रश्न
The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above.
पर्याय
Spermatogonia have 46 chromosomes and always undergo meiotic cell division
Primary spermatocytes divide by mitotic cell division
Secondary spermatocytes have 23 chromosomes and undergo second meiotic division
Spermatozoa are transformed into spermatids
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उत्तर
Secondary spermatocytes have 23 chromosomes and undergo second meiotic division
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संबंधित प्रश्न
Give the name and function for ‘A’ and ‘B’ from the diagram given below
Define spermiation.
Name the functions - Acrosome of sperm.
Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.
In case of sexual reproduction, newborn show similarities about characters. Explain this statement with suitable examples.
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?
The male sex hormone testosterone is secreted from ____________.
Expand the acronym.
LH
The part labelled as ______ contains the energy source that facilitates sperm motility.
What is the location of oogenesis?
Which of the following events take place during spermatogenesis?
Conversion of spermatid into sperm is called as _______.
Sertoli cells are found in ______.
Connective tissue around seminiferous tubules possess endocrine cells called ______.
In spermatogenesis, reduction division of chromosome occurs during conversion of ______.
The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called ______.
Sperms can be stored for several years in liquid nitrogen with a temperature of ______.
How many spermatozoa are formed from one secondary spermatocyte?
What is spermatogenesis?
During oogenesis the meiotic division is arrested at ______ before fertilization.
