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प्रश्न
What are the major components of seminal plasma?
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उत्तर
Semen (produced in males) is composed of sperm and seminal plasma. The major components of the seminal plasma in the male reproductive system are mucus, spermatozoa, and various secretions of accessory glands. The seminal plasma is rich in fructose, calcium, ascorbic acid, and certain enzymes. It provides nourishment and protection to sperm.
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संबंधित प्रश्न
Describe the structure of a seminiferous tubule.
The exact location of the seminal vesicle
Write a note on human sperm
Draw a labelled diagram of L.S. of human testis.
Why is it important that a very large number of sperms should be present in the semen ?
State the function of Seminal vesicle.
Multiple choice question. Tick (✓) the correct choice:
Testis are present in a sac called
- scrotum
- oviduct
- epididymis
- none of the above
Mention the exact location of the following:
Testis
Given below is the outline of the male reproductive system.
(i) Name the parts labeled 1 to 5.
(ii) State the functions of the parts labeled 1 and 4.
(iii) Name the cells of part 5 that produce testosterone.
(iv) Why is structure 5 present outside the body in the scrotal sacs?
(v) What is semen?
Explain the term Gametogenesis.
Give Technical Term:
Name the male reproductive cells of mammals.
Write the functional activity of the following structure:
Seminiferous tubules
The large elongated cells that provide nutrition to developing sperms are ______
The given diagram represents T. S of
The spermatozoa from seminiferous tubules pass into ______.
Identify the labels (a, b, c, and d) in the given diagram of the male reproductive system.
Which is the duct that carries sperms from testes and opens into the epididymis?
The vas deferens receives duct from the seminal vesicle and opens into urethra as ______.
Spot the odd one out from the following structures with reference to the male reproductive system.
In human males, the testes lie in the scrotum, because it helps in the ______
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
The process of formation of sperms is known as ______.
Give reasons for the following
Scrotum remains outside the body of human males.
Explain the function of the following structure in the human male reproductive system.
Male accessory glands
Assertion (A): Testes in human males are located outside the abdominal cavity in scrotum.
Reason (R): Scrotum provides a lower temperature than the normal body temperature for sperm formation.
Draw a neat labeled diagram of T.S. of testis.
Draw a labelled diagram of the male reproductive system.
The thin-walled sac of skin in which testis descends is ______.
