Question

Identify the correct match among the following
(A) Exocoetus - placoid scales
(B) Hippocampus – operculum
(C) Pteropus – feathers
(D) Scoliodon - air bladder​

Answer 1

Option C is correct

Hope this helps uh!!

Answer 2

The correct match among the following is (A) Exocoetus - placoid scales.

• Placoid scales are a distinguishing feature of cartilaginous fishes from bony fishes.
• Placoid scales cover the skin of cartilaginous fishes. the skin of cartilaginous fish contains these small scales.
• Cartilaginous fish is known as Chondrichthyes.
• Exocoetus, shark and ray are examples of fishes containing placoid scales.
• The operculum is found in bony fishes but the hippocampus doesn't have these.
• Pteropus is a mammal and can fly but doesn't have feathers.
• Scoliodon doesn't have an air bladder so, they swim continuously to avoid sinking in water.