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WorksheetsTest Review Single Attempt
Total questions: 30
Worksheet time: 16mins
Name
Class
Date
1.
What structure allows most aquatic mollusks to breathe?
a)
lungs
b)
nephridia
c)
gills
d)
capillaries
2.
The shell secreted by most mollusks is made of
a)
potassium carbonate
b)
calcium
c)
calcium carbonate
d)
mantle
3.
The foot can be modified into 2 structures. One is the elongated foot the other is
a)
chromatophores
b)
tentacles
c)
nephridia
d)
trochophore
4.
This organ is used to scrape algae from rocks or shred food.
a)
trochophore
b)
cephalopoda
c)
gill
d)
radula
5.
The shell of the squid is modified into what?
a)
cuttlebone
b)
shell
c)
pen
d)
mantle
6.
How do the bivalves living near deep sea vents get food?
a)
Filter feed bacteria
b)
Filter feed algae
c)
Scrape algae off rocks
d)
They eat other bivalves
7.
What is the kingdom that all mollusks belong to?
a)
plantae
b)
Mollusca
c)
Animalia
d)
Cephalopoda
8.
How many tentacles does a squid have?
a)
8
b)
2
c)
10
d)
6
9.
The hard part of the mouth in squid is called the
a)
Beak
b)
Radula
c)
Tentacle
d)
Arm
10.
What class does the squid belong too?
a)
mollusa
b)
bivalvia
c)
animalia
d)
cephalopoda
11.
WHAT DO SQUID USE TO MOVE QUICKLY?
a)
ARMS
b)
EYES
c)
SIPHON
d)
TENTACLES
12.
What number represents the ovary?
a)
8
b)
12
c)
10
d)
13
13.
Which number represents the gill?
a)
10
b)
12
c)
9
d)
16
14.
Which part of the Mollusk body is the tissue covering the body and secretes the shell?
a)
Mantle
b)
Trochophore
c)
Foot
d)
Visceral Mass
15.
The most intelligent group of mollusks
a)
Gastropod
b)
Animal
c)
Cephalopod
d)
Sessile
16.
The mollusk larval stage of development is called the
a)
coelomate
b)
trochopore
c)
radula
d)
cephalopod
17.
Bivalves don't have radula because they_____.
a)
have two shells
b)
use gills instead
c)
are filter feeders
d)
don't eat meat
18.
Mollusks are vertebrates?
a)
True
b)
False
19.
What is the meaning of Mollusks?
a)
Soft-bodied
b)
filter feeder
c)
porus
d)
stomach foot
20.
What type of symmetry do Mollusks have?
a)
Asymmetrical
b)
Bilateral
c)
Radial
21.
What are the major groups of Mollusks?
a)
Cnidarians, Gastropods, Porifera
b)
Gastropods, Bivalves, Cephalopods
c)
Porifera, Cephalopods, Cnidarians
22.
How do Gastropods obtain nutrients?
a)
Herbivore
b)
Carnivore
c)
Scavenger
d)
All
23.
What is the meaning of Cephalopods?
a)
Stomach-foot
b)
Head-footed
c)
Two-shelled
d)
Soft-bodied
24.
What Mollusk group does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
25.
What Mollusk group does this picture belong to?
a)
Bivalves
b)
Gastropods
c)
Cephalopods
d)
Cnidarians
26.
Gastropods have a _______ circulatory system.
a)
Closed
b)
Open
c)
Nonexistent
d)
Complex
27.
An evolutionary development in P. Mollusca
a)
Cephalization
b)
Nerve net
c)
True tissues
d)
Asexual reproduction
28.
In squid, the water jet is responsible for
a)
Locomotion
b)
Reproduction
c)
Feeding
d)
Paralyzing prey
29.
What structure is labeled B?
a)
fin
b)
tentacles
c)
arms
d)
mantle cavity
30.
The cells in skin of cephalopods that allow them to change colors are called
a)
pigmentocytes
b)
chromatophores
c)
dermatophores
d)
branchiocytes
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