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प्रश्न
Explain any two ways by which IUDs devices act as contraceptives.
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उत्तर
- Copper-releasing IUDs produce copper ions, which reduce sperm motility and fertility.
- Copper-releasing IUDs make it tougher for a fertilised egg to implant in the uterus.
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संबंधित प्रश्न
Expand the following:
ZIFT
Fill in the blank:
The disc-like structure which helps in the transfer of substances to and from the fetus’s body is called _______.
Expand the following.
ICSI
AI is the preferred technique used incase of ____________.
Assisted reproductive technology, IVF involves transfer of ______.
Which method can be used for women that cannot produce ovum but can provide suitable environment?
Identify the correct reasons for infertility.
(i) Drugs
(ii) Diseases
(iii) Congenital
(iv) Use of Contraceptives
(v) Immunological or psychological
(vi) Assisted reproductive technology
Read the given below statements carefully and state whether the following are true (T) or false (F).
- I - MOET is one of the methods of IVF.
- II - ICSI is a method useful only for males who are unable to inseminate.
- III - MTP is considered safe during the first 1 week of pregnancy.
- IV - LNG-20, multi-load 375 are hormone-releasing IUDs.
- V - Steroids inhibit ovulation and implantation.
Choose the correct option regarding the above-given statements.
Give a term for the following:
An ART in which eggs are removed from the ovary of the female, fertilised and then placed in her fallopian tube.
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 |
