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(a)What substances are contained (i) in oral pills, and (ii) in vaginal pills, used as contraceptives? How do they work?
(b)How does copper-T prevent pregnancy?
(c)Name the disease caused by HIV.
(a) (i) The oral pills contain hormones that prevent the ovaries to release ovum or egg cell into the oviduct, and
(ii) Vaginal pill contains the spermicides that are chemicals to kill sperms and thus used as contraceptives.
(b) Copper-T is placed inside the uterus to prevent the flow of sperms into the uterus. Thus, it prevents pregnancy.
(c) The disease caused by HIV is AIDS.
Updated on: 21-Mar-2023
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