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प्रश्न
Define the following:
Implantation
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उत्तर
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संबंधित प्रश्न
Give appropriate biological/technical terms for the following:
The kind of twins formed from two fertilized eggs.
The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follow:
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) Mention any two functions of the part labelled 2 in the diagram.
(iii) Explain the significance of the part numbered 3 in the diagram.
(iv) Define the term ‘Gestation’. What is the normal gestational period of the developing human embryo?
(v) Mention the sex chromosomes in a male and female embryo.
Give technical terms for Thin walled sac of skin which covers the testes
What is the name of the process in which thickened uterus lining alongwith blood vessels is removed from the body of a human female through vaginal bleeding?
Name the organs which produce ova (or egg cells) in human females.
In human males, the testes lie in the scrotum outside the body because it helps in the
(a) process of mating
(b) formation of sperms
(c) easy transfer of sperms
(d) all the above
List two changes observed in girls at the time of puberty.
“Gender of child is determined by the male partner of couple”. Draw a diagram explaining the above statement.
What do you understand by an inguinal hernia?
Differentiate
Sexual Reproduction and Asexual Reproduction.
