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प्रश्न
Define Spermatogenesis.
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उत्तर
Spermatogenesis is the process of formation and development of sperm cells (spermatozoa) in the testes from spermatogonial stem cells through mitosis and meiosis.
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संबंधित प्रश्न
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
Expand the following biological abbreviations: TSH
Write a note on human sperm
Multiple choice question. Tick (✓) the correct choice:
Testis are present in a sac called
- scrotum
- oviduct
- epididymis
- none of the above
Sketch the labelled diagram.
Human male reproductive system.
Write the functional activity of the following structure:
Cowper’s gland
State names of organs in male reproductive system.
In the male reproductive system, the vasa efferentia opens into the ______.
Identify the labels (a, b, c, and d) in the given diagram of the male reproductive system.
Occurrence of Leydig’s cells and their secretion is ______.
Sertoli cells are regulated by the pituitary hormone known as ______.
Secretions from which one of the following are rich in fructose, calcium, and some enzymes?
Match between the following representing parts of the sperm and their functions and choose the correct option.
| Column A | Column B | ||
| A. | Head | i. | Enzymes |
| B. | Middle piece | ii. | Sperm motility |
| C. | Acrosome | iii. | Energy |
| D. | Tail | iv. | Genetic material |
Mark the odd one.
In human males, the testes lie in the scrotum, because it helps in the
The shared terminal duct of the reproductive and urinary system in the human male is ______.
The process of formation of sperms is known as ______.
Write briefly about the Testis.
Given below is a certain situation. Analyze and describe its possible impact on a person:
Prostate and seminal vesicles are not functional.
State very briefly the chief function of the following:
Prostate gland
