Advertisements
Advertisements
प्रश्न
Fertilisation results immediately in the formation of :
(a) a zygote
(b) an embryo
(c) a placenta
(d) a foetus
उत्तर
(a) a zygote
A zygote is formed by the fertilisation of the egg and a sperm cell.
APPEARS IN
संबंधित प्रश्न
How many pairs of chromosomes are present in human beings? Out of these how many are sex chromosomes?
State the main function of the Sperm duct.
What joins embryo to placenta in mother's body?
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?
In humans, the fertilization takes place in:
Rewrite the terms in the correct order so as to be in a logical sequence.
Implantation, ovulation, child birth, gestation, fertilisation.
Describe in brief the role of seminal vesicle in human male reproductive system.
Fill in the blank.
In humans, sperm production occurs in the organ ----------------.
Define the following:
Implantation
The male homologue of the female clitoris is ____________.
