Stale urine smells like ammonia because

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(D) Fresh urine is generally acidic and does not have a strong ammonia smell. However,when urine is left to stand (stale urine),bacteria from the envi

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All the above

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(D) Fresh urine is generally acidic and does not have a strong ammonia smell. However,when urine is left to stand (stale urine),bacteria from the environment or skin contaminate it. These bacteria break down the urea present in the urine into ammonia $(NH_3)$ and carbon dioxide. The ammonia then reacts with water and other components to form ammonium carbonate,which further releases ammonia gas,causing the characteristic pungent smell. Therefore,all the mentioned processes contribute to the smell of stale urine.

Column-$I$	Column-$II$
$(a)$ Podocytes	$(i)$ Crystallised oxalates
$(b)$ Protonephridia	$(ii)$ Annelids
$(c)$ Nephridia	$(iii)$ Amphioxus
$(d)$ Renal calculi	$(iv)$ Filtration slits

Similar Questions

Complete the following:
$(a)$ Urinary excretion = tubular reabsorption + tubular secretion -..........
$(b)$ Dialysis fluid = Plasma -..........

Urine becomes cloudy when:

Match the items in Column-$I$ with those in Column-$II$.
Column-$I$ Column-$II$
$(a)$ Podocytes $(i)$ Crystallised oxalates
$(b)$ Protonephridia $(ii)$ Annelids
$(c)$ Nephridia $(iii)$ Amphioxus
$(d)$ Renal calculi $(iv)$ Filtration slits

Select the correct option from the following:

Which one of the following body functions is not performed by kidneys?

Why do we pass more urine in wet and cold seasons?

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