Choose the odd one out from the following:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Hen
Option (1) Frog — an amphibian; cold-blooded.
Option (2) Fish — lives in water and breathes through gills; cold-blooded.
Option (3) Snake — a reptile; cold-blooded.
Option (4) Hen — a bird with feathers; birds are warm-blooded and keep a steady body temperature, so the hen is the odd one out.