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प्रश्न
Draw a neat and labelled diagram of spermatogenesis.
आकृति
उत्तर
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संबंधित प्रश्न
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions
(a) Acrosome
(b) Nucleus
(c) Middle piece
Explain the structure of secondary oocyte.
If one pollen grain produces two male gametes, how many pollen grains are needed to fertilize 10 ovules?
Mammalian egg is ____________.
Four primary spermatocytes give rise to ______.
Which of the following is diploid?
The human male gamete is usually about ______ in length.
Preparation of sperm before penetration of ovum is ______.
Acrosome is a type of ______.
In oogenesis haploid egg is fertilised by sperm at which stage?
