Home
Class 12
BIOLOGY
(a) In which part of the human female re...

(a) In which part of the human female reproductive system do the following events take place ?
I-Release of 1st polar body
II-Release of 2nd polar body
III-Fertilisation
IV-Implanatation
(b) From where do signals for parturition originate and what does material pituitary release for stimulating uterine contrations for child birth ?

Text Solution

AI Generated Solution

**Step-by-Step Solution:** **(a)** Identify the parts of the human female reproductive system where the specified events occur: 1. **Release of 1st Polar Body**: - This event occurs in the **ovary**. The first polar body is released after the completion of the first meiotic division of the oocyte. 2. **Release of 2nd Polar Body**: ...
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION

    TRUEMEN BIOLOGY ENGLISH|Exercise SECTION-D|27 Videos

  • REPRODUCTION

    TRUEMEN BIOLOGY ENGLISH|Exercise SECTION-B|39 Videos

  • Protista

    TRUEMEN BIOLOGY ENGLISH|Exercise ASSERTION AND REASON|6 Videos

  • Reproduction In Organisms

    TRUEMEN BIOLOGY ENGLISH|Exercise MULTIPLE CHOICE QUESTION|131 Videos

Similar Questions

Explore conceptually related problems

(a) In which part of the human female reproductive system do the following events take place? (i) Release of 1st polar body (ii) Release of 2nd polar body (iii) Fertilisation (iv) Implantation (b) From where do signals for parturition originate and what does maternal pituitary release for stimulating uterine contractions for childbirth?

In which parts of the body of the hosts do the following events in the life cycle of Plasmodium take place? Name both the body parts and the host. (a) Fertilisation, (b) Development of gametocytes, (c) Release of sporozoites, (d) Asexual reproduction.

Name the respective part of human female reproductive system: (i) that produces eggs. (ii) where fusion of egg and sperm take place, and (iii) where zygote implanted. (b) Describe in brief what happen to the zygote after it gets implanted.

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 (i) Arrange the letters given below each diagram in a logical sequence to show the correct order in the process of fertilisation. (ii) Where does fertilisation normally take place? What is 'Implantation' that follows fertilisation ? (iii) Mention the chromosome number of the egg and zygote in humans. (iv) Explain the term 'Gestation'. How long does Gestation last in humans ? (v) Draw a neat, labelled diagram of a mature human sperm.

(a) Draw a diagrammatic sectional view of the female reproductive system of human and label the parts (i) where the secondary oocytes develop (ii) which helps in collection of ovum after ovulation (iii) where fertilization occurs (iv) where implantation of embryo occurs. (b) Explain the role of pituitary and the ovarian hormones in menstrual cycle in human females.

(a) Draw a diagrammatic sectional view of the female reproductive system of human and label the parts (i) where the secondary oocytes develop (ii) which helps in collection of ovum after ovulation (iii) where fertilization occurs (iv) where implantation of embryo occurs. (b) Explain the role of pituitary and the ovarian hormones in menstrual cycle in human females.

Given below is a diagram of the reproductive system of a human female : (i) Name the parts numbered 1-6. (ii) Normally after how many days does an ovary release an egg? (iii) Where are the sperms released during coitus? (iv) What do the sperms do after being released ? (V) What is the function of the organ numbered 5 ? (vi) How many days does it normally take from the fertilisation of the egg up to the birth of the baby?

Which of the following statements about he female reproductive system are true (+) or false (-)? 1. Both FSH and LH are necessary for ovulation to take place. 2. Oestrogen tends to inhibit the production of FSH by the anterior pituitary gland. 3. Fertilization of the ovum by the spermatozoa normally takes place in the uterus. 4. Progesterone production is largely under the control of LH 5. Throughout the part of the menstrual cycle that follows ovulation, there is a slight rise in body temperature.

Study the diagram given below and then answer the questions that follow : (i) Name the part labelled A. Name any two hormones produced by the part labelled A. (ii) What happens to the part labelled B if : (1) fertilisation takes place? (2) fertilisation does not take place ? (iii) Where does fertilisation occur ? (iv) Draw a neat diagram of the human sperm as seen under high magnification and label the following parts: (a) Acrosome (b) Mitochondria.

The figure given below represents the female reproductive system of a mammal. Parts indicated by the guidelines A to D are as follows: (A) Uterus (B) Fallopian tube (oviduct) (C) Ovary (D) Vagina (a) Give appropriate terms for each of the following: (i) The onset of reproductive phase in a young female. (ii) Rupture of follicle and release of ovum from the ovary (iii) Monthly discharge of blood and disintegrated tissues in human female. (iv) Process of fusion of ovum and sperm. (v) Fixing of developing zygote on the uterine wall. (vi) The permanent stoppage of menstruation at about the age of 45 years in a female. (b) State the functions of the (0) Placenta (ii) Amniotic fluid. [ICSE 2004, 2015] (c) Using the symbol "X' indicates the region in the diagram where fertilisation occurs.[ICSE 2004)

TRUEMEN BIOLOGY ENGLISH-REPRODUCTION-SECTION -C
  1. Draw a labelled diagram of the sectional view of a mature pollen grain...

    Text Solution

    |

  2. In the adjacent figure of a typical dicot embryo, label the parts (1),...

    Text Solution

    |

  3. (a) In which part of the human female reproductive system do the follo...

    Text Solution

    |

  4. The events of the menstrual cycle are represented below. Answer the qu...

    Text Solution

    |

  5. Draw a labelled diagram of a sectional view of humen seminiferous tub...

    Text Solution

    |

  6. With the help of labelled diagrams, depict the stages of a microspore ...

    Text Solution

    |

  7. In an angiosperm the embryo sac is haploid , zygote is diploid and end...

    Text Solution

    |

  8. Draw a longitudinal section of a post-pollinated pistil showing entry ...

    Text Solution

    |

  9. (i ) Write the characteristics features of anther, pollen and stigma o...

    Text Solution

    |

  10. (a) Mention any four strategies adopted by flowering plants to prevent...

    Text Solution

    |

  11. Explain the process of artificial hybridisation to get improved crop, ...

    Text Solution

    |

  12. Differentiate between perisperm and endosperm giving one example of ea...

    Text Solution

    |

  13. Fertilization is essential for the production of seed, but in some ang...

    Text Solution

    |

  14. Write the function of each one of the following : (a) (Oviducal) Fi...

    Text Solution

    |

  15. Write the function of each of the following : (a) Middle piece in hu...

    Text Solution

    |

  16. Write the function of each of the following : (a) Seminal vesicle ...

    Text Solution

    |

  17. Read the graph given above and correlate the uterine events that take ...

    Text Solution

    |

  18. Expand the following and explain any one of them. (i) IVF (ii) ZIFT...

    Text Solution

    |

  19. Draw the following diagrams related to human reproduction and label th...

    Text Solution

    |

  20. Suggest and explain any three Assisted Reproductive Technologies (ART)...

    Text Solution

    |