The excretory product of an adult frog and tadpole respectively are
Urea in both
Urea and Uric acid
Urea and Ammonia
Ammonia and Uric acid
Compared to ammonia and urea, uric acid is least toxic and least soluble in water.
The following substances are the excretory products in animals. Choose the least toxic form among them. (a) Urea (b) Uric acid (c) Ammonia (d) Carbon dioxide