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प्रश्न
In humans, there are ____________ pairs of chromosomes.
पर्याय
22
23
44
46
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उत्तर
In humans, there are 23 pairs of chromosomes.
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संबंधित प्रश्न
Write two major functions of testis.
Define Reproductive health
List the structures, in their correct sequence, through which the sperms must pass from the time they are produced in the testes to the time they leave the urethra.
Given alongside is a diagram of male reproductive system in humans. Label the parts indicated by numbers 1 to 5, and state their functions.
Multiple choice question. Tick (✓) the correct choice:
Testis are present in a sac called
- scrotum
- oviduct
- epididymis
- none of the above
Name the following:
The tubular knot fitting like a cap on the upper side of the testis.
Give the name:
Hormones related with male reproductive system.
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 Scrotum.
Name the Following
Male copulatory organ.
The increased level of estrogen and progesterone is responsible for menstruation.
Urethral meatus refers to the ______.
Which of the following hormone maintains the function of male sex accessory gland and ducts?
Seminal vesicles are located in ______.
Mature sperms in humans are stored in ______.
The Leydig cells as found in the human, body are the secretory source of ______.
______ carries sperms to the seminal vesicles.
State very briefly the chief function of the following:
Cowper's gland
State very briefly the chief function of the following:
Sperm duct (vas deferens)
Name these:
3 male accessory glands in humans.
