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प्रश्न
Explain the process of fertilization in human beings.
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उत्तर
Fertilisation:
- Fertilisation takes place when the sperm unites with the egg.
- The sperms enter through the vaginal passage and travel upwards and reach the oviduct.
- In the oviduct, one of the sperms fuses with the egg and the fertilisation is completed.
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संबंधित प्रश्न
Write the functions of the following parts in human female reproductive system:-
(i) Ovary
(ii) Oviduct
(iii) Uterus
State the changes that take place in the uterus when Implantation of embryo has occurred
Name the cells that secrete Testosterone
The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follow:
- Label the parts numbered 1 to 3 in the diagram.
- Mention any two functions of the part labelled 2 in the diagram.
- Explain the significance of the part numbered 3 in the diagram.
- Define the term ‘Gestation’. What is the normal gestational period of the developing human embryo?
- Mention the sex chromosomes in a male and female embryo.
State the main function of the Sperm duct.
State whether human beings reproduce by sexual method or asexual method.
Write the names of male sex hormone?
Mention two functions of human testes.
The diagram shows female reproductive system. Name the parts labelled A to D.
(a) In which part do the sperms enter?
(b) Which part releases the egg?
(c) In which part does fertilisation take place?
(d) In which part does the foetus develop?
Explain why, fertilisation is possible if mating takes place during the middle of menstrual cycle.
In a flower, the parts that produce male and female gametes are respectively :
(a) sepal and anther
(b) filament and stigma
(c) anther and ovary
(d) stamen and style
Given below is a diagram of two systems together in the human body.
 |
- Name the systems.
- Name the parts numbered 1-10.
- Describe the functions of the parts 3, 4, 5 & 6.
- What will happen if the part 3 on both sides gets blocked?
List and explain in brief three methods of contraception.
Give the names:
Any two sexual diseases.
State whether the following statement is true or false:
Oviducts and fallopian tubes are one and the same thing.
Identify the given diagram.
Name the parts 1 to 5. 
Draw a labeled diagram of the human female reproductive system.
The mature sperms are stored in the ____________.
Which one of the following statements about human sperm is correct?
