Animal Classification

Which of the following is NOT a characteristic of phylum Porifera?

• a) Presence of pores on the body

• b) Body organization is cellular level

• c) Presence of a backbone

• d) Sessile nature

2. Animals belonging to phylum Cnidaria have special stinging cells called:

• a) Nematocysts

• b) Nephridia

• c) Cilia

• d) Spiracles

3) Fish breath through -------

4) Which animal belongs to phylum Mollusca?

• a) Frog

• b) Octopus

• c) Spider

• d) Earthworm

Which of the following animals is classified under phylum Arthropoda?

• a) Jellyfish

• b) Ant

• d) Sea cucumber

• c) Starfish

What is a common feature of animals in phylum Chordata?

• c) They are all aquatic

• b) They possess a notochord at some stage of development

• a) They all have exoskeletons

• d) They lack a nervous system

Which of the following is a characteristic of phylum Echinodermata?

• a) Radial symmetry

• c) Body covered with fur

• b) Presence of feathers

• d) Ability to fly

Which of the following animals is known for having a hard exoskeleton?

• a) Snail

• d) Goldfish

• b) Crab

• c) Worm

What type of symmetry do animals in phylum Bilateria exhibit?

• c) Bilateral symmetry

• a) Radial symmetry

• d) None of the above

• b) Asymmetry

Which of the following is a defining feature of phylum Annelida?

• c) Ability to photosynthesize

• b) Presence of wings

• d) Hard outer shell

• a) Segmented body