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प्रश्न
What is the role of cervix in the human female reproductive system?
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उत्तर
Cervix helps in regulating the passage of sperm into the uterus and forms the birth canal to facilitate parturition.
APPEARS IN
संबंधित प्रश्न
Choose the odd one in each of the following:
Sperm; implantation; fertilization; ovum; ovum; after birth.
Rewrite the terms in the correct order so as to be in a logical sequence.
Graafian follicle, ostium, uterus, fallopian tube.
Differentiate between Identical twins and fraternal twins.
The diagram given below represents a system in the human body. Stud the diagram and answer the following questions:
Identify the system
The diagram alongside is the vertical section of female reproductive organs. Study the diagram and answer the questions that follow:
(i) Name the fully developed part of ovary containing the ovum. (ii) Name the organ of the female body in which the foetus develops.
(iii) What is ovulation?
(iv) Which two hormones are secreted by ovary?
Name the following:
The parts of the ovary containing mature ovum.
Complete the following statement by choosing the correct alternative:
Female copulatory organ ______.
The below diagram represents the sectional view of the female reproductive organs of a mammal.
(i) Label the parts numbered 1 to 7.
(ii) What are the main functions of the parts labeled 2, 5, 6?
Explain the term Graffian follicle.
Name the Following
The structure formed after the release of ovum from the Graffian follicle.
Write the functions of ovary
Observe the diagram and answer the following questions.
- Label the indicated parts 1, 2 and 3 in the diagram.
- Where the fertilization of ovum occurs?
- Where does the embryo get implanted after fertilization?
Complete the table.
| Sex/Gender | Reasons of infertility |
| Female | |
| Male |
Estrogen is secreted by ______
What is the other term used for fallopian tube?
Contraction of which muscles are responsible for causing labour during parturition?
Figure A shows the front view of the human female reproductive system and Figure B shows the development of a fertilized human egg cell
Figure A
Figure B
Identify the correct stage of development of the human embryo (Figure B) that takes place at the sites X, Y, and Z respectively in the human female reproductive system (Figure A).
Choose the correct option from the table below:
| X | Y | Z | |
| A | Morula | Fertilized egg | Blastocyst |
| B | Unfertilized egg | Fertilized egg | Morula |
| C | Blastocyst | Fertilized egg | Unfertilized egg |
| D | Fertilized egg | Morula | Blastocyst |
Read the following and answer from given below:
During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.
What is the signifacance of fertilisation?
Which among the following is not the function of testes at puberty?
- formation of germ cells
- secretion of testosterone
- development of placenta
- secretion of estrogen
What changes are observed in the uterus subsequent to the implantation of a young embryo?
What is the other name for fallopian tubes?
Give reason:
Uterine lining becomes thick and spongy after fertilisation.
The ______ is also called the womb.
The diagram given below shows a section of the human ovary.
- Name the process for the release of the part labelled 1.
- Write the name of the structure marked 2.
The ______ is also called the womb.
Write the specific location of the following:
Vagina
Distinguish between the following pair:
Spermatogenesis and oogenesis
The ______ is also called the womb.
