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The onset of the menstrual cycle at puberty around 11-13 years of age is termed menarche, while its cessation around 48-50 years is called:
AImplantation
BOvulation
CGestation
DMenopause
Answer & Solution
Correct answer: D. Menopause
1. Menarche is the first onset of the menstrual cycle at puberty (about 11-13 years).
2. The menstrual cycle ceases around 48-50 years of age.
3. This cessation is called menopause.
4. Ovulation is egg release, gestation is pregnancy, and implantation is attachment of the blastocyst, so they are ruled out.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 17 Reproduction in Plants and Animals "Menstrual Cycle-Process of Ovulation", p.258_
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