Mollusks Quiz

What is the hard outer covering of some mollusks called?

• Radula

• Shell

• Mantle

• Foot

Which group of mollusks includes sea slugs and snails?

• Cephalopods

• Bivalves

• Crustaceans

• Gastropods

What is the specialized mouth structure of mollusks called?

• Shell

• Mantle

• Radula

• Foot

How many shells do clams and scallops have?

• Three

• Two

• None

• One

What is the common characteristic of mollusks in the form of a shell?

• Radula

• Shell

• Mantle

• Foot

What type of symmetry do all mollusks have?

• Asymmetry

• No Symmetry

• Bilateral Symmetry

• Radial Symmetry

How do mollusks reproduce?

• Asexually

• Budding

• Sexually

• Fission

Which group of mollusks includes octopi and squid?

• Crustaceans

• Cephalopods

• Bivalves

• Gastropods

What makes cephalopods efficient predators?

• Sharp Radula

• Strong Shell

• Large Brain

• Powerful Foot

What is the muscular organ used by mollusks to move about?

• Mantle

• Foot

• Radula

• Shell