मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Suggest some methods to assist infertile couples to have children.

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प्रश्न

Suggest some methods to assist infertile couples to have children.

सविस्तर उत्तर
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उत्तर

Infertile couples can be assisted by Assisted Reproductive Technologies (ART).

The methods are as follows:

  1. In Vitro Fertilization (IVF): Commonly known as the “Test Tube Baby” programme, this is the most widely used ART method. Ova (eggs) from the wife/donor and sperm from the husband/donor are collected and induced to form a zygote under simulated conditions in a laboratory. The zygote or early embryo is then transferred into the uterus or fallopian tube.
  2. Gamete Intra Fallopian Transfer (GIFT): A procedure in which eggs are retrieved from a woman, mixed with sperm and immediately replaced in one or the other of the woman’s fallopian tubes so that they fertilize inside the body (invivo).
  3. Intra-Cytoplasmic Sperm Injection (ICSI): In this method, sperm and eggs are retrieved from both parents. A single sperm is injected directly into an egg; then, the fertilized egg is implanted into the woman’s uterus.
  4. Artificial insemination technique (AIT): In this technique, the semen is collected either from the husband or a healthy donor and is artificially introduced either into the vagina or into the uterus of the female (IUI - Intra-uterine insemination).
  5. Zygote intra fallopian transfer (ZIFT): ZIFT later transfers the zygote or early embryo to a woman’s fallopian tube.
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पाठ 3: Reproductive Health - EXERCISES [पृष्ठ ५०]

APPEARS IN

एनसीईआरटी Biology [English] Class 12
पाठ 3 Reproductive Health
EXERCISES | Q 9. | पृष्ठ ५०
नूतन Biology [English] Class 12 ISC
पाठ 3 Reproductive Health
NCERT EXERCISES WITH ANSWERS | Q 9. | पृष्ठ १४२

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

An infertile couple is advised to adopt test-tube baby programme. Describe two principle procedures adopted for such technologies.


Write a brief note on the causes of infertility.


Explain one application of the following:
ZIFT


Fill in the blank:

Gonorrhoea is caused by _______ bacteria.


Short answer question.

Write a note on IVF.


Identify the IUD in the given diagram.


Explain any three methods that can be used to overcome infertility.


Correct the following statement.

Transfering of an embryo with more than 8 blastomeres into the uterus is called GIFT.


Expand the following.

 ZIFT


The procedure of GIFT involves the transfer of female gametes into the fallopian tube, can gametes be transferred to the uterus to achieve the same result? Explain.


Expand the following.

ICSI


In which technique of ART is a single sperm injected directly into the cytoplasm of the ovum?


Generally the zygote or early embryo with how many blastomeres is transferred into the fallopian for further development, in IVF?


AI is the preferred technique used incase of ____________.


The highly sophisticated procedure of directly injecting a sperm into an egg is called ______.


In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation?


Assisted reproductive technology, IVF involves transfer of ______.


In which of the following ARTs, does in vivo fertilisation occur?


The stage transferred into the lotuses after induced fertilization of ova in the laboratory is ______.


ZIFT stands for ______


What are the Assisted Reproductive Techniques practised to help infertile couples? Describe any three techniques.


An infertile couple was advised to undergo In vitro fertilization by the doctor. Out of the options given below, select the correct stage for transfer to the fallopian tube for successful results.


Given below are Column A with a list of certain Assisted Reproductive Technologies (ART) and in Column B the procedures followed during ART:

Column A Column B
S. No. Names of ART S. No. Procedures
(A) GIFT (i) Transfer of ovum from a donor into the fallopian tube of another female.
(B) ICSI (ii) Transfer of semen from the donor into the vagina of the female.
(C) ZIFT (iii) Injecting sperm directly into the ovum.
(D) IUI (iv) Transfer of early embryos into the fallopian tube.

Choose the option where ART correctly matches with the procedure.


Which one of the following choices reflects the correct number of chromosomes in the zygote and in the second polar body of Drosophila melanogaster?

  Zygote Meiocytes
I 08 08
II 04 08
III 08 04
IV 04 04

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