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प्रश्न
How are the sperms formed?
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उत्तर
Testes contain numerous seminiferous tubules. Germ cells present in the tubules divide by meiosis to produce sperms.
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संबंधित प्रश्न
List two functions performed by the testis in human beings.
Identify True/False statement. Correct false statement to make it true.
Spermatozoa get nutrition from Sertoli cells.
Draw a labelled diagram of L.S. of human testis.
Distinguish between the following pair of terms:
Egg and sperm.
Differentiate
Urinogenital duct and Ureter.
Explain the term Scrotum.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Tubectomy involves the cutting and tying of the vas deferens in males.
Find an odd one out.
Hormones related to male reproductive system.
Draw a neat and labelled diagram.
Human male reproductive organs
The given diagram represents T. S of
______ highly coiled seminiferous tubules are present in each testicular lobule.
The ________ secrete testosterone after puberty.
Semen is a constituent of seminal plasma with ______.
Ejaculation of human male contains about 200 - 300 million sperms, of which for normal fertility ______% sperms must have normal shape and size and at least ______% must show energetic motility.
Seminal vesicles are located in ______.
Mark the odd one.
Small sac-like muscular structures that enclose testes.
Name the following:
Three accessory glands of human male reproductive system.
The thin-walled sac of skin in which testis descends is ______.
