Question
Biology Question on excretory products and their elimination
| Which one of the following options gives the correct categorisation of animals according to the type of nitrogenous waste they give out? | Ammonotelic | Ureotelic | Uricotelic |
|---|---|---|---|
| (a) | Pigeon, humans | Aquatic amphibia, lizards | Cockroach frog |
| (b) | Frog, lizards | Aquatic amphibia humans | Cockroach pigeon |
| (c) | Aquatic animals | Frog, amphibia, humans | Pigeon, lizards, cockroach |
| (d) | Aquatic animals | Cockroach, amphibia, humans | Frog, pigeon, lizards |
A
a
B
b
C
c
D
d
Answer
c
Explanation
Solution
Aquatic animals are ammonotelic as they excrete ammonia. Frog, amphibians and humans are ureotelic as they excrete urea. Pigeon, lizards and cockroach are uricotelic as they excrete uric acid