Q. The characteristic that is shared by urea, uric acid and ammonia is/are I. They are nitrogenous wastes. II.They all need very large amount of water for excretion. III.They are all equally toxic. IV. They are equally in the kidneys.

A) I and III
B) I and IV
C) I, III and IV
D) I only
Explanation

Urea, uric acid and ammonia all are nitrogenous wastes. Ammonia is highly toxic and soluble in water, therefore, requires a large amount of water for excretion. Urea is less toxic and less soluble in water than ammonia. Uric acid crystals are non-toxic and almost insoluble in water.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.