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3.Reproductive Health
medium
Most of the contraceptive pills contain
A
Estrogen + FSH
B
Progesterone + LH
C
FSH + LH
D
Estrogen + progesterone
(AIPMT-1999)
Solution
(d) Contraceptive pills for women contain female sex hormones oestrogen and progesterone.
These prevent development of eggs and ovulation by inhibiting secretion of $FSH$ some pills contain progesterone only in such cases ovulation may occur but cervical mucus is thickened preventing the entry of sperm.
Standard 12
Biology
Similar Questions
Match List $- I$ with List $- II$ with respect to methods of Contraception and their respective actions.
| List$-I$ | List $- II$ |
| $(a)$ Diaphragms | $(i)$ Inhibit ovulation and Implantation |
| $(b)$ Contraceptive | $(ii)$ Increase phagocytosis of sperm within Uterus |
| $(c)$ Intra Uterine Device | $(iii)$ Absence of Menstrual cycle and ovulation following parturition |
| $(d)$ Lactational | $(iv)$ They cover the cervix blocking the entry of sperms |
Choose the correct answer from the options given below:
Given below are four methods $(A-D)$ and theirmodes of action $(i-iv)$ in achieving contraception. Select their correct matching fromthe four options that follow
| Method | Mode of Action |
| $(A)$ The pill | $(i)$ Prevents spermsreaching cervix |
| $(B)$ Condom | $(ii)$ Prevents implantation |
| $(C)$ Vasectomy | $(iii)$ Prevents ovulation |
| $(D)$ Copper $T$ | $(iv)$ Semen contains no sperms |
