alleryIf the egg is not fertilised, the thickened uterine lining is shed in:
AMicturition
BMetamorphosis
CMultiplication
DMenstruation
Answer & Solution
Correct answer: D. Menstruation
1. The uterus prepares a thick spongy lining every month.
2. If no fertilised egg arrives, the lining is no longer needed.
3. It breaks down and passes out as menstruation, lasting about two to eight days.
_Source: syllabus Science, Ch 8 'How do Organisms Reproduce?'_
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