MCQ
Example of the non-medicated $IUD$ is
- A$Cu-T$
- B$Cu-7$
- CMultiload$-375$
- ✓Lippes loop
Intra Uterine Devices $(IUDs)$ for contraception
$(i)$ There devices are inserted by the doctors into the uterus through vagina.
$(ii)$ There are three types of $IUDs$
Non-medicated $IUDs$ They increases the phagocytosis of the sperm within the uterus, $e.g$., Lippes loop
Copper Releasing $IUDs$ Along with phagocytosis of the sperms, the copper ions released, suppresses the sperm motility and the fertilizing capacity of the sperm.$e.g., Cu-T, Cu-7, multiload- 375$
Hormone Releasing $IUDs$ They makes the uterus unsuitable for implantation and the cervix hostile to the sperms, $e . g$, progestasert, $LNG-20$
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Statement $I$: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid.
Statement $II$: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome.
In the light of the above statements, choose the correct answer from the options given below: