Multiple choice

The white part of the faecal matter dropped by lizards and birds consists of

  1. urea

  2. ammonia

  3. uric acid

  4. bile salts

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ammonia, urea and uric acid are the excretory products in different animals. Ammonia is an excretory product in gaseous form in fishes. On the other hand, uric acid (white in colour) is in birds, lizards, snakes etc. Urea is an excretory product in the human beings.