Question

Which of the following is not a vertebrate?

• A. Bird
• B. Frog
• C. Snail
• D. Whale

Answer 1

The correct option is C

Snail

The correct answer is C

Explanation of correct option:

1. Snail belongs to the group Mollusca.
2. Molluscs have a soft body that is protected by a hard shell and locomotion is by a soft muscular foot.
3. Ant, mosquito, cockroach, butterfly, spider, prawn, crab, millipede, and scorpion belong to this group.

Explanation of incorrect option:

Option A:

1. It belongs to the group vertebrates, subgroup Aves.
2. These animals have a streamlined bodies covered with feathers and can fly.
3. They are warm-blooded.

Option B:

1. It belongs to the group vertebrates, subgroup amphibians.
2. Amphibians can live in water as well as on land.
3. They have smooth and slimy skin and are cold-blooded.
4. Frog, toad, salamander, and newt belong to this group.

Option D:

1. It belongs to the group vertebrate, subgroup mammals.
2. These animals have hair, pinna, and mammary glands.
3. They are warm-blooded.
4. Man, monkey, goat, lion, tiger, whale, and bat belong to this group.

Final answer: The snail is not a vertebrate.