Question

Q-3 Find the odd-one out. Give reason in support of your answer:
1. Amoeba, Euglena, Paramecium, Chlamydomonas
2. Tapeworm, roundworm, liver fluke, earthworm
3. Starfish, brittle star, sea urchin, Crab
4. Monkey, cow, human, crocodile
5. Crocodile tortoise, frog, snake​

Answer 1

Answer:

4. Monkey, Cow, Human, Crocodile because except crocodile all others are mammals. Crocodile is a reptile.