alleryএটা স্তন্যপায়ী প্ৰাণীৰ মধ্যকৰ্ণত কেইডাল হাড় থাকে?
Aএডাল
Bদুডাল
Cতিনিডাল
Dচাৰিডাল
Answer & Solution
Correct answer: C. তিনিডাল
মধ্যকৰ্ণৰ তিনিডাল হাড় স্তন্যপায়ী প্ৰাণীৰ অন্যতম এক নিৰ্ণায়ক বৈশিষ্ট্য।
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