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WorksheetsLHS Zo Mollusks
Total questions: 33
Worksheet time: 19mins
Name
Class
Date
1.
In what type of environment do MOST mollusks live?
a)
Soil
b)
Freshwater
c)
Marine
d)
Terrestrial
2.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
3.
What type of symmetry do MOST mollusks have?
a)
Bilateral
b)
Radial
c)
Circular
d)
Asymmetrical
4.
Which class of Mollusks include clams, oysters, and mussels?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
All
5.
Which class of Mollusks include squid, cuttlefish and octopus?
a)
Gastropods
b)
Bivalves
c)
Caphalopods
d)
None
6.
Which class of Mollusks includes snails, slugs, or nudibranches?
a)
Cephalapods
b)
Bivalves
c)
Univalves
d)
None
7.
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
8.
Which part of the Mollusk body contains organs?
a)
Foot
b)
Visceral Mass
c)
Trochophore
d)
Mantle
9.
Which class of Mollusks all have tentacles?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
10.
Which class of Mollusks have the most advanced nervous system?
a)
Univalves
b)
Bivalves
c)
Cephalopods
11.
Which of the following is the correct description of reproduction in Mollusks?
a)
Mostly asexual
b)
Budding
c)
Regeneration
d)
Mostly sexual
12.
Which of the following is the organ used by Mollusks for excretion?
a)
gills
b)
nephridia
c)
mantle
d)
visceral mass
13.
Which class of Mollusks have many species that are sessile?
a)
Univalves
b)
Bivalves
c)
Cephalopods
14.
What type of body do all Mollusks have?
a)
Segmented
b)
Soft
c)
Rigid
d)
Clear
15.
How are all mollusks similar to annelids?
a)
They have shells
b)
The have trochophore larvae
c)
They are segmented
d)
They live in marine environments
16.
Which class of Mollusks have a closed circulatory system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
All of the classes
17.
What Mollusk group does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
18.
Which group of Mollusks does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
19.
What is the meaning of Cephalopods?
a)
Stomach-foot
b)
Head-footed
c)
Two-shelled
d)
Soft-bodied
20.
What Mollusk group does the picture belong to?
a)
Univalve
b)
Bivalve
c)
Cephalopod
21.
What Mollusk group does this picture belong to?
a)
Bivalves
b)
Univalves
c)
Cephalopods
d)
Cnidarians
22.
Which of the following is the organ used by Mollusks for excretion?
a)
gills
b)
nephridia
c)
mantle
d)
visceral mass
23.
The mollusk larval stage of development is called the
a)
coelomate
b)
trochopore
c)
radula
d)
cephalopod
24.
Which part of the mollusk contains the heart, digestive and reproductive organs?
a)
radula
b)
head-foot
c)
visceral mass
d)
trochopore
25.
The nerve cords are located?
a)
anteriorly
b)
posteriorly
c)
dorsally
d)
ventrally
26.
Mollusk's tongue-like strip covered with teeth that point backward is called the ____
a)
trochopore
b)
radula
c)
gills
d)
visceral mass
27.
# 4 Points to what feature?
a)
excurrent siphon
b)
incurrent siphon
c)
intestines
d)
foot
28.
# 2 Points to what feature?
a)
excurrent siphon
b)
incurrent siphon
c)
intestines
d)
foot
29.
# 14 Points to what feature?
a)
aductor muscle
b)
hinge
c)
heart
d)
gills
30.
# 8 Points to what feature?
a)
aductor muscle
b)
hinge
c)
heart
d)
gills
31.
The most intelligent group of mollusks
a)
Gastropod
b)
Animal
c)
Cephalopod
d)
Sessile
32.
Mollusks are vertebrates?
a)
True
b)
False
33.
What are the major groups of Mollusks?
a)
Cnidarians, Gastropods, Porifera
b)
Univalves, Bivalves, Cephalopods
c)
Porifera, Cephalopods, Cnidarians
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