WorksheetsMollusk
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What type of symmetry do MOST mollusks have?
a)
Bilateral
b)
Radial
c)
Circular
d)
Asymmetrical
2.
Which class of Mollusks include clams, oysters, and mussels?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
3.
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
4.
Which class of Mollusks include organisms that have camera-like eyes similar to humans?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
5.
Which class of Mollusks is the only class with some terrestrial species?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
6.
Which part of the Mollusk body contains organs?
a)
Foot
b)
Visceral Mass
c)
Trochophore
d)
Mantle
7.
Which class of Mollusks all have tentacles?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
8.
Which class of Mollusks have the most advanced nervous system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
9.
Which of the following is the correct description of reproduction in Mollusks?
a)
Mostly asexual
b)
Budding
c)
Regeneration
d)
Mostly sexual
10.
Which of the following is the correct description of respiration in Mollusks?
a)
They use diffusion through their moist skin and gills in marine environments
b)
They use primitive lungs in marine environments and gills on land.
c)
They use nephridia to exchange oxygen and carbon dioxide
d)
They use gills in marine environments and primitive lungs on land.
11.
What type of body do all Mollusks have?
a)
Segmented
b)
Soft
c)
Rigid
d)
Clear
12.
What type of mollusk is this
a)
bivalve
b)
cephalopod
c)
gastrapod
d)
segmented worm
13.
Which group of Mollusks does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
14.
Which class of Mollusks does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
15.
Which class of Mollusks does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
16.
Which class of Mollusks does the picture belong to?
a)
Bivalves
b)
Gastropods
c)
Cephalopods
d)
Cnidarians
17.
A structure of tiny teeth used for scraping food particle off a surface and drawing them into the mouth.
a)
mantle
b)
cuttlebone
c)
radula
d)
visceral mass
18.
Which class of Mollusks does the picture belong to?
a)
bivalve
b)
cephalopod
c)
gastrapod
d)
segmented worm
19.
Which class of Mollusks does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
20.
Which class of Mollusks does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
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