Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 5 PCB Single Correct MCQ
Published on: August 21, 2026

The most important component of the oral contraceptive pills is

A
progesterone
B
growth hormone
C
thyroxine
D
luteinising hormone

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Use of contraceptive pills is a widespread form of birth control. Contraceptive pills contain oestrogen and progesterone. The production of the pituitary hormones FSH and LH in the normal sexual cycle of a female is shut down by these hormones. In the absence of FSH, the ovarian follicles do not ripen and ovulation does not occur in the absence of LH.

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