Identify the animal which is not an Arthropod:

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

Which of the following organisms is not an invertebrate ?

1. Round worm
2. Butterfly
3. Sea anemone
4. Lizard

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

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

The locomotory structures of Echinoderms are :

1. Tentacles
2. Jointed legs
3. Fins
4. Tube feet