Parazoa Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The skeleton of sponges is composed of needle-like structures called

1. spicules
2. ostia
3. osculum
4. spongecoel

MCQ 2: The internal buds which develop into new sponges are called

1. ostia
2. gemmules
3. osculum
4. none of others

MCQ 3: The small pores which help water to enter the body of sponges are called

1. enteron
2. otia
3. osculum
4. stomata

MCQ 4: The pore-bearing animals are commonly called

1. sponges
2. molasses
3. coral reefs
4. sea anemone

MCQ 5: The best commercial sponges are found in the warm waters of

1. Mediterranean sea
2. Ocean
3. Dead sea
4. Red sea