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7.Human Health and Disease
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Most important component of oral contraceptive is
A
$LH$
B
$\mathrm{GH}$
C
$Thyroxine$
D
$progesterone$
Solution
Oral contraceptives or contraceptive pills are taken to control fertility. Each pill contains a mixture of oestrogen and progesterone or only the pure synthetic progesterone which prevent ovulation.
Standard 12
Biology
Similar Questions
Match the columns :
| Column – $I$ | Column – $II$ |
| $(a)$ Pre erythrocytiC cycle | $(1)$ Meta cryptomerozoites enters RBC and becomes spherical in shape. |
| $(b)$ Exo-erythrocyticcycle | $(2)$ sporozoites in saliva are introduced to human blood |
| $(c)$ Endo-erythrocytic cycle | $(3)$ Breaks the liver cells and comes our of blood. |
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