Question

Pick up the odd one out.

• A. Chelone, Calotes, Naja
• B. Pavo, Psittacula, Ornithorhyncus
• C. Canis, Felis, Rattus
• D. Bufo, Rana, Hyla

Answer 1

The correct option is B Pavo, Psittacula, Ornithorhyncus

Chelone, Calotes, Naja are all reptiles.

Canis, Felis and Rattus are all mammals.

Bufo, Rana, and Hyla are all amphibians.

Pavo and Psittacula are birds, whereas Ornithorhynchus is a mammal.

So the correct answer is 'Pavo, Psittacula, Ornithorhynchus'.