Question

The foul smell of urine of a healthy man having healthy food, when spilled on floor, is mainly due The to the bacterial decomposition of 

(a) urea into sulphur dioxide 

(b) sugar into carbon dioxide 

(c) lipids into methane 

(d) urea into ammonia

Answer 1

(d) urea into ammonia

Urea is degraded by bacteria into ammonia, so it causes foul smell when accumulated at one place.