Identify the bird which can fly:

1. Peacock
2. House sparrow
3. Ostrich
4. Penguin

Identify the animal which is not an Arthropod:

1. Prawn
2. Butterfly
3. Earthworm
4. Spider

Liver fluke belongs to :

1. Nematoda
2. Platyhelminthes
3. Annelida
4. Cnidaria

Which of the following structures is not found in the body of birds ?

1. Teeth
2. Scales
3. Beak
4. Claws