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प्रश्न
Name the cells that secrete Testosterone
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उत्तर
Leydig cells secrete testosterone.
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संबंधित प्रश्न
Where is the male gamete formed in humans?
Which part of the human body produces sperms?
What do the testes in a man produce?
Name the organs which produce ova (or egg cells) in human females.
X and Y are two human beings. The organ A in the reproductive system of X releases a mature gamete B once a month which goes into a tube-like structure C through a funnel-like opening. The organ D in the reproductive system of Y makes and releases gametes E which pass through a duct F and are introduced by an organ of Y, into the body of X. B and E fuse together in C to form a new cell G. The cell G divides repeatedly to form a ball of cells H which gets embedded in the lining of organ I of reproductive system of X where it grows and develops into a baby.
(a) Name (i) organ A, and (ii) gamete B.
(b) Write two names of tube-like structure C.
(c) Name (i) organ D, and (ii) gamete E.
(d) Write two names of duct F.
(e) Name (i) cell G (ii) ball of cells H, and (iii) organ I.
(f) Out of X and Y, which one is (i) male, and (ii) female?
Write two examples of sexually transmitted diseases caused by virus.
Explain how the sex of the child is determined at the time of conception in human beings.
Give the name:
Methods of family planning.
What is reproduction? List its two types.
The below diagram is of a developing embryo is a mother’s womb:
(i) Write the functions of the placenta, amnion, and umbilical cord.
(ii) How are the waste products of a fetus removed?
(iii) What is the gestation period?
