alleryমানুহৰ খাদ্যনলীৰ গড় দৈৰ্ঘ্য কিমান?
A১০ ছেমি
B৫০ ছেমি
C২ ছেমি
D২৫ ছেমি
Answer & Solution
Correct answer: D. ২৫ ছেমি
খাদ্যনলীৰ গড় দৈৰ্ঘ্য প্ৰায় ২৫ ছেমি, অৱশ্যে ব্যক্তিজনৰ উচ্চতা অনুসৰি ইয়াৰ তাৰতম্য ঘটে।
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