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प्रश्न
The membranous cover of the ovum at ovulation is ______.
पर्याय
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
Find the odd one out and write it: vagina, uterus, vas deferens, ovary
Name the parts of the human female reproductive system where
i. fertilisation takes place
ii. implantation of the fertilised egg occurs
Explain how the embryo gets nourishment inside the mother’s body.
List two example of each diseases caused due to (i) bacterial infection and (ii) viral infection. Which device or devices may be used to prevent the spread of such diseases.
Which of the following is not a part of the female reproductive system in human beings?
What are the different methods of contraception?
State the changes that take place in the uterus when Female gamete/egg is not fertilised
State the main function of the Leydig cells
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:
Prostate gland, Cowper’s gland, seminal vesicle, seminiferous tubules.
Given below are diagrams showing the different stages in the process of fertilisation of an egg. in the human female reproductive tract.
Study the diagrams and answer the questions:
1) Arrange the letters given below each diagram in a logical sequence to show the correct order in the process of fertilisation.
2) Where does fertilisation normally take place? and What is ‘Implantation’ that follows fertilisation?
3) Mention the chromosome number of the egg and zygote in humans.
4) Explain the term ‘Gestation’. How long does Gestation last in humans?
5) Draw a neat, labelled diagram of a mature human sperm.
What is gestation period?
One of the following is not a part of the human male reproductive system. This is:
Which of the following is not a sexually transmitted disease?
(a) gonorrhoea
(b) hepatitis
(c) syphilis
(d) AIDS
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?
Describe the role of the following in human beings:
(i) Seminal vesicles
(ii) Prostate gland
In humans, ______ chromosome is responsible for maleness.
Name the following:
Organ where implantation takes place.
Complete the following statement by choosing the correct alternative:
Sterilization in female is due to cutting off of ______.
Define the following:
Parthenogenesis
Give two important unique features of the human reproductive system.
Differentiate on the basis of what is indicated in brackets :
The prostate gland and Cowper’s gland (the nature of secretion)
What do you understand by an inguinal hernia?
State the Location:
Uterus
Choose the Odd One Out:
The mature sperms are stored in the ____________.
Reproductive organs are also considered endocrine glands.
During adolescence, reproductive phase starts and ______.
Distinguish between Vasa efferentia and Vasa deferentia.
Which of the following is an example of a secondary sexual characteristic in humans?
