MCQ
Progestasert and $LNG-20$ are the examples of
- ANon-mediated $IUDs$
- BCopper releasing $IUDs$
- ✓Hormonal releasing $IUDs$
- DAll of the above
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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$(a)$ $F_{2}$ ratio was deviated very significantly from the $9 : 3 : 3 : 1$ ratio
$(b)$ Both genes did not segregate independently of each other
$(c)$ Recombinant types are not obtained in $F_{2}$ generation
$(d)$ Both genes segregate independently of each other
Select the correct set of statements :