BiologyEveryday Science
Which of the following is considered as a chemical method of contraception?
Grafting
Using Diaphragm
Birth control pills
Menstruation
Birth control pills
Birth control pills (BCPs) contain man-made forms of 2 hormones called estrogen and progestin. These hormones are made naturally in a woman`s ovaries. BCPs can contain both of these hormones, or have progestin only. Both hormones prevent a woman`s ovary from releasing an egg during her menstrual cycle (called ovulation).BCPs are also called oral contraceptives or just “the pill.”
Birth control pills Birth control pills (BCPs) contain man-made forms of 2 hormones called estrogen and progestin. These hormones are made naturally in a woman`s ovaries. BCPs can contain both of these hormones, or have progestin only. Both hormones prevent a woman`s ovary from releasing an egg during her menstrual cycle (called ovulation).BCPs are also called oral contraceptives or just “the pill.”
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B. water
C. ethers
D. phenols
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
In the body, the weight of blood is about
A. 1/12th of body
B. 1/5th of body
C. 1/8th of body
D. 1/4th of body
Which substance is present in fuel?
A. Iron
B. Gold
C. Carbon
D. Copper
The energy stored in coal is
A. kinetic energy
B. potential energy
C. chemical energy
D. nuclear energy
A human breath per minute is
A. 16-30 times
B. 16-20 times
C. 15-20 times
D. 15-18 times
Symbol of Copper is
A. Ca
B. Cl
C. Co
D. Cu
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