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प्रश्न
How many spermatozoa are formed from one secondary spermatocyte?
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उत्तर
Four spermatids are formed from one secondary spermatocyte. All of them subsequently develop into spermatozoa through a process called spermiogenesis.
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संबंधित प्रश्न
With the help of diagrammatic representation, explain the process of gametogenesis
What is oogenesis?
Describe the process of oogenesis in human female.
If newborns are produced at the age of menopause, they may be with some abnormalities. Why?
Answer the following type of question Assertion (A) and Reason (R).
(A) - In human males, testes are extra-abdominal and lie in scrotal sacs.
(R) - Scrotum acts as a thermoregulator and keeps the temperature lower by 2°C for normal sperm production.
Expand the acronym.
LH
Which of the following are known as the nourishing cells present in the seminiferous tubules?
First meiotic division is observed in ____________.
Acrosome reaction in sperm is triggered by ______.
There is no cell division involved in ______.
Which among the following has 23 chromosomes?
Preparation of sperm before penetration of ovum is ______.
How many sperms are formed from 4 primary spermatocytes?
Head of epididymis is called as ______.
Aquatic animals in which fertilisation occurs in water are said to be
The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above.
In spermatogenesis, at the end of the first meiotic division ______ are formed.
Explain Oogenesis with diagram.
The process of gametogenesis is initiated by ______ and ______ hormones respectively.
Complete the analogy with respect to the structure of sperm.
Nebenkern : ‘X’ : : Acrosome is formed from : ‘Y’
