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NEET BIOLOGYReproductive HealthEasy

Question

Contraceptive oral pills help in birth control by:

A

killing the sperms in uterus

B

preventing implantation

C

preventing ovulation

D

both preventing implantation and preventing ovulation

Step-by-Step Solution

According to the NCERT text, oral contraceptive pills (progestogens or progestogen-estrogen combinations) function by inhibiting ovulation and implantation. They also alter the quality of cervical mucus to prevent or retard the entry of sperms. Killing sperms in the uterus is primarily the function of IUDs (via phagocytosis and copper ions), not oral pills.

Exam Context & Concepts Covered

This question aligns with the NEET BIOLOGY syllabus, specifically targeting concepts from Reproductive Health. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

BIOLOGYReproductive Healthcontraceptivecontrol

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What is the full form of IUDs?

A.Inter Uterine Devices
B.Intra Uterine Diseases
C.Intra Uterine Devices
D.Inter Uterine Diseases
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In the assisted reproductive technology where gametes have been fertilized in vitro, which of the following is practicable for embryo transplantation in fallopian tube?

A.Only embryo (up to 8 blastomeres if zygote is not transplanted)
B.Only zygote is transplanted, not embryo
C.Either embryo or zygote with up to 8 blastomere phase transplanted
D.Morulla with 8-24 celled stage is transplanted in fallopian tube
MediumSolve

MTP was legalised in India in:

A.1971
B.1951
C.1981
D.1923
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Match the contraceptive method 'Pill' with its primary mode of action: I. Pill

A.Prevents implantation
B.Prevents ovulation
C.Prevents sperms from reaching cervix
D.Semen contains no sperms
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MTP is:

A.Medical Termination of Pregnancy
B.Also called induced abortion
C.Both (1) and (2)
D.-2
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Which of the following cannot be detected in a developing foetus by amniocentesis?

A.Klinefelter's syndrome
B.Sex of the foetus
C.Down's syndrome
D.Jaundice
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Natural methods for contraception work on the principle of:

A.Preventing fertilization
B.Preventing implantation
C.Preventing ovulation
D.Preventing embryo development
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Which of the sets of diseases are completely curable if detected early?

A.Hepatitis - B, Gonorrhoea, Syphilis
B.Genital herpes, Chlamydiasis, Syphilis
C.HIV Infections, Chlamydiasis, Gonorrhoea
D.Chlamydiasis, Syphilis, Gonorrhoea
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