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प्रश्न
Males in whom testes fail to descend to the scrotum are generally infertile. Why?
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उत्तर
If the testes fail to descend to the scrotum, gametogenesis could be inhibited, the process of spermatogenesis require a marginally lesser ambient temperature than that in the abdominal cavity.
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संबंधित प्रश्न
Expand the following:
ZIFT
Multiple choice question.
Test tube baby technique is called _______.
Fill in the blank:
Sperm fertilizes ovum in the _______of fallopian tube.
Fill in the blank:
The disc-like structure which helps in the transfer of substances to and from the fetus’s body is called _______.
Explain any three methods that can be used to overcome infertility.
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.
In which technique of ART is a single sperm injected directly into the cytoplasm of the ovum?
Which Artificial Reproductive Technique can help a lady conceive a child if both her fallopian tubes are blocked?
The highly sophisticated procedure of directly injecting a sperm into an egg is called ______.
A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is ______.
In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube?
In which of the following ARTs, does in vivo fertilisation occur?
What is correct for test tube baby?
Identify the correct reasons for infertility.
(i) Drugs
(ii) Diseases
(iii) Congenital
(iv) Use of Contraceptives
(v) Immunological or psychological
(vi) Assisted reproductive technology
Mention the primary aim of the “Assisted Reproductive Technology” (ART) programme.
Briefly explain IVF and ET What are the conditions in which these methods are advised?
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 |
