WorksheetsZoology - Unit 4.1: Phylum Mollusca
Total questions: 19
Worksheet time: 53mins
Name
Class
Date
1.
What is the radula used for?
a)
Locomotion
b)
Feeding
c)
Swimming
d)
Digging
2.
The protective membrane that surrounds the visceral mass on all mollusks is called...
a)
Radula
b)
Mantle
c)
Nephridia
d)
Visceral Shield
3.
All mollusks have an external shell.
a)
True
b)
False
4.
What TYPE of mollusk is this?
a)
Bivalve
b)
Gastropod
c)
Cephalopod
5.
What TYPE of mollusk is this?
a)
Bivalve
b)
Gastropod
c)
Cephalopod
6.
What TYPE of mollusk is this?
a)
Bivalve
b)
Gastropod
c)
Cephalopod
7.
What TYPE of mollusk is this?
a)
Bivalve
b)
Gastropod
c)
Cephalopod
8.
What TYPE of mollusk is this?
a)
Bivalve
b)
Gastropod
c)
Cephalopod
9.
Which TYPE of mollusk is most intelligent?
a)
Bivalve
b)
Gastropod
c)
Cephalopod
10.
Which TYPE of mollusk has two shells?
a)
Bivalve
b)
Gastropod
c)
Cephalopod
11.
Which TYPE of mollusk has ONE or NO shell?
a)
Bivalve
b)
Gastropod
c)
Cephalopod
12.
What does Cephalopod mean?
a)
means "2-shells"
b)
means "head-foot"
c)
means "stomach-foot"
13.
Which class of Mollusks include squid, cuttlefish and octopus?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
Polyplacophora
14.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
15.
Which class of Mollusks is the only class with some terrestrial species?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
16.
Which class of Mollusks have a closed circulatory system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
All of the classes
17.
Cephalopods move by
a)
using jet propulsion
b)
waving their tentacles back and forth.
c)
crawling along on a single muscular foot.
d)
clapping their shells together.
18.
Which group of cephalopods has ability to flatten body to fit in small spaces and change skin to blend with surroundings?
a)
Cuttlefish
b)
Nautilus
c)
Squid
d)
Octopuses
19.
Cells containing pigment that, through contraction and expansion, produce temporary color changes.
a)
RADULA
b)
CHROMATAPHORE
c)
PEN
d)
MANTLE
100 %
