Which nitrogenous waste product is the most toxic and is produced only in insects that

Which nitrogenous waste product is the most toxic and is produced only in insects that

کون سا نائٹروجنی فضلہ سب سے زیادہ زہریلا ہے اور یہ صرف کیڑوں میں پیدا ہوتا ہے۔
Explanation

Ammonia: (NH3)

It is a colorless gas with a distinct odor composed of nitrogen and hydrogen atoms.