Glencoe Biology

Section 3: Mollusks

Self-Check Quizzes

1.
The ____ is a membrane that secretes calcium carbonate to form a mollusk shell.
A)mantle
B)nephridium
C)radula
D)gill
2.
Respiratory structures consisting of filamentous projections are called ____.
A)bivalves
B)nephridia
C)gills
D)radula
3.
What structure here is used for feeding?

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A)siphon
B)bivalve
C)mantle
D)radula
4.
Which of the following are features of the nervous systems of some mollusks?
A)eyes and brain
B)auricles and eyespots
C)incurrent and excurrent siphons
D)coelom and heart
5.
How can bivalves survive in the ocean despite their slow inactivity?
A)by utilizing a radula
B)by filter feeding
C)by utilizing siphons
D)by becoming parasitic
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