Question

Choose the odd one out and categorize the rest.
An example is given below:
owl, oyster, sponges, hydra
Category – invertebrates
Odd one – owl
a) Pupa, frog, larva, egg
b) Reptiles, Aves, Pisces, Amphibians
c) scales, pinna, three-chambered heart, lungs

Answer 1

a) Category - Stages in the life cycle of frog.
    Odd one - Pupa

b) Category - Tetrapods
    Odd one - Pisces

c) Category - Characters of reptiles
    Odd one - Pinna