Mollusks - Assessment

1.

Multiple Choice

30 sec

1 pt

Which part of the Mollusk body is specialized for burrowing, feeding, and movement?

trochophores

visceral mass

mantle

foot

2.

Multiple Choice

30 sec

1 pt

Which of the following is the correct description of the body cavity of Mollusks?

They are protostome acoelomates

They are protostome coelomates

They are deuterostome coelomates

They are protostome pseudocoelomates

3.

Multiple Choice

30 sec

1 pt

Which class of Mollusks have many species that are sessile?

Gastropods

Bivalves

Cephalopods

arthropods

4.

Multiple Choice

30 sec

1 pt

What Class does the picture belong to?

Gastropod

Bivalve

Cephalopod

Mollusca

5.

Multiple Choice

30 sec

1 pt

What Class does the picture belong to?

Gastropod

Bivalve

Cephalopod

Snails

6.

Multiple Choice

30 sec

1 pt

The mollusk larval stage of development is called the

coelomate

trochopore

radula

cephalopod

7.

Multiple Choice

30 sec

1 pt

Which Class does the picture belong to?

Gastropod

Bivalve

Cephalopod

Mollusca

8.

Multiple Choice

30 sec

1 pt

What does the mantle create?

Shell

Foot

Intestines

Nothin, just a protective membrane

9.

Multiple Choice

30 sec

1 pt

What type of Circulatory does a Clam have?

Open

Closed

Transparent

Sessile

10.

Multiple Choice

30 sec

1 pt

What type of Circulatory system do Cephalopods have?

Open

Closed

Sessile

Intermediate

11.

Multiple Choice

30 sec

1 pt

Which structure aids in eating for a gastropod?

siphon

radula

visceral mass

beak

12.

Multiple Choice

30 sec

1 pt

Which mollusk class would you see organisms moving using

"jet propulsion"?

Gastropoda

Cephalopoda

Bivlavia

Oligochaeta

13.

Multiple Choice

30 sec

1 pt

Which structure is NOT associated with digestion?

Gizzard

pharynx

nephridia

crop

14.

Multiple Choice

30 sec

1 pt

Means "head foot"

Cephalopod

Nautilus

Gastropod

Bivalvia

15.

Multiple Choice

30 sec

1 pt

Organs that are in contact with blood supply and specialized for gas exchange.

fin

radula

bivalve

gills

16.

Multiple Choice

30 sec

1 pt

Which part of the Mollusk body is specialized for burrowing, feeding, and movement?

shell

visceral mass

mantle

foot

17.

Multiple Select

1 min

1 pt

Which terms are true of bivalves such as oysters and clams? (Select ALL that apply)

bilateral symmetry

filter feeder

highly intelligent

invertebrate

have tentacles

18.

Multiple Choice

30 sec

1 pt

Bivalves have a(n) __ circulatory system

Closed

Open

19.

Multiple Choice

30 sec

1 pt

All of the following are Bivalves, EXCEPT:

Clams

Mussels

Snails

Oysters

Scallops

20.

Multiple Choice

30 sec

1 pt

Which is NOT true of bivalves?

coelomate

triploblastic

cephalization

use gills for gas exchange

21.

Multiple Choice

30 sec

1 pt

Cephalopods move by

using jet propulsion

waving their tentacles back and forth.

crawling along on a single muscular foot.

clapping their shells together.

22.

Multiple Choice

30 sec

1 pt

Which of these cephalopods has an external shell?

cuttlefish

squid

octopus

nautilus

23.

Multiple Choice

30 sec

1 pt

Which of the following is a function of the mantle in many mollusks?

Mantle covers the internal organs.

Mantle enables the mollusk to move.

Mantle helps the mollusk digest food.

Mantle removes wastes.

24.

Multiple Choice

30 sec

1 pt

Among mollusks, which is a special characteristic of cephalopods?

an open circulatory system.

a two way digestive system.

the only mollusk class with gills.

a closed circulatory system.

25.

Multiple Choice

30 sec

1 pt

What type of body do all Mollusks have?

Segmented

Soft

Rigid

Clear

26.

Multiple Choice

30 sec

1 pt

Which class of Mollusks includes snails, slugs, or nudibranches?

Cephalapods

Bivalves

Gastropods

27.

Multiple Choice

30 sec

1 pt

Which class of Mollusks is the only class with some terrestrial species?

Gastropods

Bivalves

Cephalopods

28.

Multiple Choice

30 sec

1 pt

Which part of the Mollusk body contains organs?

Foot

Visceral Mass

Trochophore

Mantle

29.

Multiple Choice

30 sec

1 pt

What is the meaning of Gastropod?

Soft-bodied

Stomach foot

Head-footed

Two-shelled

30.

Multiple Choice

2 mins

1 pt

The muscles that hold the mollusk shell closed are the _____.

opercula

ganglia

adductors

chromatophores

Explore this activity with a free account