Nitrogenous wastes excreted through urine in humans is _____?

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Nitrogenous wastes excreted through urine in humans is _____? Answer: Urea

Nitrogenous waste excreted through urine in humans is urea. Produced in the liver from the breakdown of proteins, urea is less toxic than ammonia and is transported to the kidneys for elimination in urine.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.