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క్షీరదం యొక్క మధ్య చెవిలో ఎన్ని ఎముకలు ఉంటాయి?

Aఒకటి
Bరెండు
Cమూడు
Dనాలుగు
Answer & Solution
Correct answer: C. మూడు
మధ్య చెవిలోని మూడు ఎముకలు క్షీరదాల ముఖ్య లక్షణాలలో ఒకటి.
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