Distinguish between
Bony fishes and cartilaginous fishes

List distinguishing characters of cartilaginous fishes.

Give one example of cartilaginous fish.

Give the relationship between the first two words and suggest a suitable word for the fourth place. Bony fishes:ammonotelism::Cartilaginous fishes:........

Write 'True' or 'False': Bony fishes are ureotelic while cartilaginous fishes are ammonotelic in excretion.

Write differences between cartilaginous fishes and bony fishes.

Choose the correct alternative: Copulatory organs claspers are found in males of cartilage fishes/bony fihes/both cartilage and bony fishes.

Which type of tail fin is found in cartilage fishes?

List distinguishing features of bony fishes.

A group of students found a fish on the sea beach ad carried it to their teacher. The teacher told them that it is a bony fish and not a cartilage fish. Why a cartilage fish has to swim continuously to stay at a particular depth in water?