The correct option is
C Ureotelic
On the basis of form of excreted nitrogenous waste, animals are of three types:
- Ureotelic: Those animals that excrete nitrogenous waste in the form of urea.
- Uricotelic: Those animals that excrete nitrogenous waste in the form of uric acid.
- Ammonotelic: Those animals that excrete nitrogenous waste in the form of ammonia.
Cartilaginous fishes are ureotelic as they excrete nitrogenous waste in the form of urea.
So, the correct answer is 'Ureotelic'.