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प्रश्न
Which type of cell division forms spermatids from the secondary spermatocytes?
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उत्तर
The secondary spermatocytes undrego the second meiotic division to produce four equal, haploid spermatids.
Not Secondary spermatocytes are produced, when the primary spermatocytes undergo the first meiotic division (reduction division).
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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:
- Acrosome
- Nucleus
- Middle piece
The fusion of the male and the female gametes is called ______.
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?
If one pollen grain produces two male gametes, how many pollen grains are needed to fertilize 10 ovules?
Sex organs produce gametes which are diploid.
The following is the illustration of the sequence of ovarian events (a-i) in a human female.
Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
Which is the correct order of steps occurring during spermatogenesis?
Select the correct sequence of oogenesis.
Identify the correct stages (P - S) in the given diagram of spermatogenesis.
Identify the CORRECT sequence of events.
After ovulation, Graafian follicle regresses into ______.
Which of the following contains a fluid filled cavity called antrum?
Cavity of graafian follicle is ______.
Which one is released from the ovary?
Mark the odd one.
The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above.
During spermatogenesis meiosis occurs in ______.
Draw a neat and labelled diagram of spermatogenesis.
The diagram given below shows the various steps in spermatogenesis.
- Name the parts labelled '1', '2' and '3'.
- Name the process by which part '3' changes to part '4'.
What is spermatogenesis?
