Question

Skeleton is made entirely of cartilage in

• A. Sharks
• B. Tuna
• C. Rohu
• D. None of these

Answer 1

The correct option is A

Sharks

The correct option is A.

The explanation for the correct option:

1. Fish can be divided into cartilaginous fish and non-cartilaginous fish.
2. Sharks belong to the cartilaginous fish.
3. They have nostrils paired with the endoskeleton of cartilage.

The explanation for the incorrect option:

Option B:

Tuna is non-cartilaginous fish.

Option C:

Rohu is non-cartilaginous fish.

Final Answer: Sharks are cartilaginous fish.