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प्रश्न
Why do only male gametes have a tail?
उत्तर
Male gametes or sperms have tail to facilitate movement of sperms and help them to reach the egg (female gamete) for fertilisation.
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संबंधित प्रश्न
Why is it important that a very large number of sperms should be present in the semen ?
Multiple choice question. Tick (✓) the correct choice:
Testis are present in a sac called
- scrotum
- oviduct
- epididymis
- none of the above
With the help of labelled diagramms describe the structures of human sperm and unfertilized ovum.
A couple is unable to conceive. Which modern techniques are available to overcome this problem?
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
Sertoli cells are regulated by the pituitary hormone known as ______.
Increased secretion of which hormone start the process of sperm formation at the time of puberty?
Seminal plasma, the fluid part of semen is formed by ______.
ells of Leydig occur in ______.
Given below is a certain situation. Analyze and describe its possible impact on a person:
Testes of a male boy are not able to descend into the scrotum during his embryonic development.
The packing tissues between the coils of the seminiferous tubules are called as ______.
