Question

The term ‘shell fish’ includes

• A. Prawns and Molluscs
• B. Bony fish and Cartilaginous fish
• C. Cuttle fish and Star fish
• D. Jelly fish and Sea anemones

Answer 1

The correct option is A

Prawns and Molluscs

The correct option is A.

Explanation of the correct option:

1. The term Shellfish is used for exoskeleton bearing aquatic invertebrates which are used as a food source.
2. Prawns, Molluscs, and echinoderms are examples of shellfish.
3. They are mostly marine but few are found in freshwater.

Explanation of incorrect options

Option B: Fishes having bony skeletons are bony fishes while those whose skeletons are made up of cartilage are cartilaginous fish. They do not have an exoskeleton like shellfish.

Option C: Cuttle fish and Star fish are not true fish its only sounds like fish. Cuttlefish is a mollusk while Starfish is an Echinoderm.

Option D: Jellyfish is a Coelenterate. They are free-swimming marine animals with umbrella-shaped head and trailing tentacles.

Final answer: The term ‘shell fish’ includes Prawns and Molluscs.