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Mollusks

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What are the three main groups of Mollusks?

a)

Gastropods

b)

Cephalopods

c)

Annelids

d)

Myriapods

e)

Bivalves

2.

Mollusks have

a)

bilateral symmetry

b)

radial symmetry

c)

no symmetry

3.

To which group of mollusks does this squid belong?

a)

cephalopod

b)

bivalve

c)

gastropod

4.

To which group of mollusks this clam belong?

a)

Gastropods

b)

Cephalopods

c)

Bivalves

d)

Arthropods

5.

Which is the group of mollusks that has a spiral-shaped shell?

a)

Gastropods

b)

Cephalopods

c)

Myriapods

d)

Bivalves

6.

To which group of mollusks this octopus belong?

a)

Cephalopods

b)

Gastropods

c)

Bivalves

7.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
8.

Which part of the Mollusk body contains most of the organs?

a)

Foot

b)

Visceral Mass

c)

Trochophore

d)

Mantle

9.

What are filter feeders?

a)

A large pile of living organisms and the animals that live among them.

b)

An organism that attaches onto another organism and feeds off of it.

c)

Animals that feed by removing tiny bits of food from the water.

d)

Animals that use sunlight to obtain nutrients.

10.

How do octopuses show emotions?

a)

They change into a rock.

b)

They swim around their homes.

c)

They move their tentacles.

d)

They change their colors.