Question

Uric acid is excreted by
(a) Frog
(b) Rabbit
(c) Man
(d) Pigeon

Answer 1

Answer:

The correct option for the above given question is option C man.

Explanation:

Uric acid is a excretory material or waste material produced after digestion or metabolism taken place in human body.

Uric acid is excreted through urine after passing filtration procedures in intestines.

In intestine the concentration of uric acid is regulated and secreted out through urine.

Answer 2

Uric acid is excreted by ‘Pigeon’.

Option: (d)

Explanation:

• The three main forms by which nitrogenous wastes are eliminated are urea, uric acid and ammonia. Among these the most toxic is ammonia and the least toxic is uric acid.  

• Similarly the amount of water required by ammonia is most and least in case of uric acid.  

• Now pigeons do not have a huge supply of water unlike the aquatic organisms.  

• Hence the convert ammonia into uric acid which requires very less amount of water to be excreted.

• Uric acid is unsafe for excretion in mammals since it forms crystals.