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प्रश्न
The germ cell A produced by a person X is round in shape and it fuses with another germ cell B having a long tail and produced by a person Y. The fusion of A and B produces a new cell C. The cell C divides repeatedly and grows inside the organ D of person X to form E in which the body features of the unborn baby are not much developed. E grows further to form F in which the various body features of the unborn baby (like hands, legs, head, eyes, and ears, etc.) can be identified. F grows further and ultimately forms a baby. What are A, B, C, D, E and F? Out of the two persons X and Y, which one is male and which one female?
उत्तर
A is the ovum.
B is sperm.
C is the zygote.
D is the uterus.
E is the embryo.
F is the foetus.
The person X is a female and Y is a male.
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संबंधित प्रश्न
Which part of the human body produces ova?
Which part of the human body passes sperms from a man to a woman?
Draw a diagram of human female reproductive system and label the part.
(i) That produces eggs.
(ii) Where fusion of egg and sperm take place.
(iii) Where zygote is implanted.
What happens to human egg when it is not fertilized?
Choose the correct answer:
The aim of sexual reproduction _________
Give Reasons
At the time of birth, the testes descend into the scrotal sacs.
Choose the Odd One Out:
Choose the Odd One Out:
Choose the Odd One Out:
Correct sequence in development is ______.
Mention any two changes that are common to both boys and girls in early teenage years.
