Mollusk Quiz

What does the word 'mollusk' mean in Latin?

• Big

• Hard

• Soft

• Fast

Which type of mollusk is believed to be the smartest?

• Octopus

• Snails

• Limpets

• Clams

What is the main feature of a mollusk's nervous system?

• Brain

• Nerve cords and ganglia

• Spinal cord

• Heart

What is the function of a mollusk's radula?

• Breathing

• Eating

• Seeing

• Hearing

Which type of mollusk has a muscular foot mainly used for movement and attachment?

• Gastropods

• Cephalopods

• Bivalves

• Nudibranch

What is the special feature of bivalves that gives them protection?

• Hard shell

• Soft body

• Long tentacles

• Sharp beak

Which type of mollusk can change its coloring to blend in with its surroundings?

• Octopus

• Oysters

• Mussels

• Clams

What is the size of the eyes of a giant squid?

• As big as a tennis ball

• As big as a beach ball

• As big as a basketball

• As small as a pea

What is the main habitat of cephalopods?

• Desert

• Land

• Freshwater

• Saltwater

Which type of mollusk can deliver a very nasty bite with its beak if necessary?

• Limpets

• Octopus

• Clams

• Snails