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प्रश्न
Define the following:
Clone
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उत्तर
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संबंधित प्रश्न
List any four methods of contraception used by humans. State in brief two advantages of adopting such preventive methods.
State its functions in case of a pregnant human female.
How many pairs of chromosomes are present in human beings? Out of these how many are sex chromosomes?
State the main function of the Corpus luteum
the Biological/technical term for The canal through which the testes descend into the scrotum just before the birth of a male baby
What is the frequency of menstrual cycle in human females (or women)?
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?
Give the names:
Methods of family planning.
Name the following:
Two accessory glands in the male reproductive system.
If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will NOT be transported form ______
