NEET Exam > NEET Questions > How do the pills work?(i) Inhibit ovulation a...
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How do the pills work?
(i) Inhibit ovulation and implantation
(ii) Alter the quality of cervical mucus to prevent or retard the entry of sperms
(iii) Prevent the ejaculated semen from entering the female vagina
(iv) Inhibit spermatogenesis
(i) Inhibit ovulation and implantation
(ii) Alter the quality of cervical mucus to prevent or retard the entry of sperms
(iii) Prevent the ejaculated semen from entering the female vagina
(iv) Inhibit spermatogenesis
- a)(i), (ii) and (iii)
- b)(i) and (ii)
- c)(ii), (iii) and (iv)
- d)(iii) and (iv)
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
How do the pills work?(i) Inhibit ovulation and implantation(ii) Alter...
Small doses of either progestogens or progesterone-estrogen combinations are used in the form of tablets by females called oral pills. Pills inhibit ovulation and implantation as well as alter the quality of cervical mucus to prevent or retard entry of sperms inside female genital tract.
Most Upvoted Answer
How do the pills work?(i) Inhibit ovulation and implantation(ii) Alter...
How do the pills work?
The correct answer to the question is option 'B', which includes choices (i) and (ii). Let's understand why these choices are correct:
1. Inhibit ovulation and implantation:
The pills, commonly known as oral contraceptives or birth control pills, contain synthetic hormones (estrogen and progestin) that work together to prevent ovulation. Ovulation is the release of an egg from the ovary, which is necessary for fertilization to occur. By inhibiting ovulation, the pills prevent the release of an egg, thus making it impossible for fertilization to take place. In addition, the synthetic hormones also alter the lining of the uterus, making it less favorable for implantation of a fertilized egg, further reducing the chances of pregnancy.
2. Alter the quality of cervical mucus to prevent or retard the entry of sperms:
The hormones present in the birth control pills also affect the cervical mucus. Normally, the cervical mucus changes its consistency during the menstrual cycle, becoming thin and slippery around the time of ovulation. This change helps sperm to swim through the cervix and reach the egg for fertilization. However, the synthetic hormones in the pills cause the cervical mucus to thicken, making it difficult for sperm to penetrate and swim through. This change in the quality of cervical mucus acts as a barrier and prevents or retards the entry of sperm into the uterus, reducing the chances of fertilization.
3. Prevent the ejaculated semen from entering the female vagina:
This choice, (iii), is incorrect. Birth control pills do not prevent the ejaculated semen from entering the female vagina. They primarily work by inhibiting ovulation and altering the cervical mucus, as explained above.
4. Inhibit spermatogenesis:
This choice, (iv), is also incorrect. Birth control pills do not inhibit spermatogenesis, which is the process of sperm production in the testes. Instead, they primarily focus on preventing ovulation and altering cervical mucus to prevent pregnancy.
In conclusion, the correct options that explain how birth control pills work are (i) and (ii), which are inhibiting ovulation and altering the quality of cervical mucus, respectively. These mechanisms work together to provide effective contraception and prevent unwanted pregnancies.
The correct answer to the question is option 'B', which includes choices (i) and (ii). Let's understand why these choices are correct:
1. Inhibit ovulation and implantation:
The pills, commonly known as oral contraceptives or birth control pills, contain synthetic hormones (estrogen and progestin) that work together to prevent ovulation. Ovulation is the release of an egg from the ovary, which is necessary for fertilization to occur. By inhibiting ovulation, the pills prevent the release of an egg, thus making it impossible for fertilization to take place. In addition, the synthetic hormones also alter the lining of the uterus, making it less favorable for implantation of a fertilized egg, further reducing the chances of pregnancy.
2. Alter the quality of cervical mucus to prevent or retard the entry of sperms:
The hormones present in the birth control pills also affect the cervical mucus. Normally, the cervical mucus changes its consistency during the menstrual cycle, becoming thin and slippery around the time of ovulation. This change helps sperm to swim through the cervix and reach the egg for fertilization. However, the synthetic hormones in the pills cause the cervical mucus to thicken, making it difficult for sperm to penetrate and swim through. This change in the quality of cervical mucus acts as a barrier and prevents or retards the entry of sperm into the uterus, reducing the chances of fertilization.
3. Prevent the ejaculated semen from entering the female vagina:
This choice, (iii), is incorrect. Birth control pills do not prevent the ejaculated semen from entering the female vagina. They primarily work by inhibiting ovulation and altering the cervical mucus, as explained above.
4. Inhibit spermatogenesis:
This choice, (iv), is also incorrect. Birth control pills do not inhibit spermatogenesis, which is the process of sperm production in the testes. Instead, they primarily focus on preventing ovulation and altering cervical mucus to prevent pregnancy.
In conclusion, the correct options that explain how birth control pills work are (i) and (ii), which are inhibiting ovulation and altering the quality of cervical mucus, respectively. These mechanisms work together to provide effective contraception and prevent unwanted pregnancies.
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How do the pills work?(i) Inhibit ovulation and implantation(ii) Alter the quality of cervical mucus to prevent or retard the entry of sperms(iii) Prevent the ejaculated semen from entering the female vagina(iv) Inhibit spermatogenesisa)(i), (ii) and (iii)b)(i) and (ii)c)(ii), (iii) and (iv)d)(iii) and (iv)Correct answer is option 'B'. Can you explain this answer?
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