Exploring the World of Mollusks

Which of the following is a defining characteristic of mollusks?

• A hard exoskeleton

• A soft body

• Jointed legs

• Segmented body

What is the primary function of the mantle in mollusks?

• To aid in digestion

• To protect the soft body

• To help in locomotion

• To capture prey

Which of the following is an example of a bivalve?

• Snail

• Octopus

• Clam

• Squid

How do gastropods primarily move?

• By jet propulsion

• By crawling on a muscular foot

• By swimming with fins

• By floating with the current

Which of the following is a unique feature of cephalopods?

• Two-part shell

• Tentacles with suckers

• Radula for scraping food

• External skeleton

What is the primary method of feeding for bivalves?

• Filter feeding

• Hunting prey

• Grazing on plants

• Absorbing nutrients from water

Which of the following mollusks is known for its ability to change color and texture?

• Oyster

• Snail

• Cuttlefish

• Mussel

What type of environment do most gastropods inhabit?

• Deep ocean

• Freshwater

• Terrestrial and aquatic

• Polar regions

Which of the following is a structural adaptation that helps cephalopods survive in their environment?

• Hard shell for protection

• Camouflage abilities

• Long antennae for sensing

• Thick skin for insulation

How do cephalopods typically reproduce?

• By laying eggs

• By live birth

• By budding

• By binary fission