WorksheetsMollusks!
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
2.
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
3.
Which part of the Mollusk body contains most of the organs?
a)
Foot
b)
Visceral Mass
c)
Trochophore
d)
Mantle
4.
Which class of Mollusks have the most advanced nervous system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
arthropods
5.
Which of the following is the organ used by many Mollusks for excretion?
a)
gills
b)
nephridia
c)
mantle
d)
visceral mass
6.
Which of the following is the correct description of the body cavity of Mollusks?
a)
They are protostome acoelomates
b)
They are protostome coelomates
c)
They are deuterostome coelomates
d)
They are protostome pseudocoelomates
7.
Which class of Mollusks have many species that are somewhat sedentary?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
arthropods
8.
What Mollusk group does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
9.
What Mollusk group does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
10.
The mollusk larval stage of development is called the
a)
coelomate
b)
trochopore
c)
radula
d)
cephalopod
11.
Which part of the mollusk contains the heart, digestive and reproductive organs?
a)
radula
b)
head-foot
c)
coelom
d)
trochopore
12.
Organs that are in contact with blood supply and specialized for gas exchange
a)
trochopore
b)
radulas
c)
bivalves
d)
gills
13.
Mollusk's tongue-like strip covered with teeth that point backward is called the ____ Note: clams have labial palps but not this structure.
a)
trochopore
b)
radula
c)
gills
d)
visceral mass
14.
Which of the following is the correct description of reproduction in Mollusks?
a)
Mostly asexual
b)
Budding
c)
Regeneration
d)
Mostly sexual
15.
Which group of Mollusks does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
16.
# 16 Points to what feature?
a)
excurrent siphon
b)
incurrent siphon
c)
intestines
d)
foot
100 %
