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प्रश्न
The membranous cover of the ovum at ovulation is ______.
विकल्प
Corona radiata
Zona radiata
Zona pellucida
Chorion
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उत्तर
The membranous cover of the ovum at ovulation is corona radiata.
Explanation:
The corona radiata is the membranous cover of the ovum at ovulation, formed by the layers of follicular cells surrounding the ovum. It provides nutrients and protection to the ovum during ovulation.
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संबंधित प्रश्न
Name the parts of the human female reproductive system where
i. fertilisation takes place
ii. implantation of the fertilised egg occurs
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 biological explanations for The placenta is an important structure for the development of a foetus
What are the organs in humans which produce the gametes?
Which part of the human body produces ova?
Where in the human body does an ovum get fertilised?
What name is given to the fusion of sperm and ovum?
What is puberty? Who attains puberty at an earlier age in human beings : male or female (boy or girl)?
Mention two functions of human testes.
fertilisation in humans can occur only once in a month. Why?
What is the scientific name of birth canal?
Which structure in human female is equivalent to the vas deferens in the male?and in what respect the structures are equivalent?
What is ovulation? How often does it happen in human females?
Fertilisation results immediately in the formation of :
(a) a zygote
(b) an embryo
(c) a placenta
(d) a foetus
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
The male gametes in a flower and in a human are produced respectively in :
(a) stigma and ovary
(b) anther and style
(c) ovary and testes
(d) anther and testes
The normal body cell of an organism contains 28 pairs of chromosomes. The number of chromosomes present in its germ cell will be
(a) 28
(b) 14
(c) 56
(d) 42
“Gender of child is determined by the male partner of couple”. Draw a diagram explaining the above statement.
Give the function of the following:
Uterus
Give two important unique features of the human reproductive system.
What are the signs of puberty in human males and females?
Differentiate
Urinogenital system and Urinary system.
Give Technical Term:
What are the age restrictions for marriages by law for boys and girls in India?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A zygote is the product of the fusion of male and female gametes.
Choose the Odd One Out:
Mention the importance of the position of the testes in humans.
Reproductive organs are also considered endocrine glands.
Gestation period in man
During adolescence, reproductive phase starts and ______.
