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Prentice Hall Biology

Chapter 27: Worms and Mollusks

TAKS Practice Test

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(TAKS 2, Bio TEKS 8C)
1. What are the four parts of a typical mollusk?
A head, shell, foot, and visceral mass
B mantle, shell, gills, and visceral mass
C mantle, shell, foot, and visceral mass
D gills, shell, foot, and visceral mass


(TAKS 2, Bio TEKS 10A.3)
2. Flatworms are the simplest animals that have
F a true coelom and defensive organs.
G three embryonic germ layers and cephalization.
H nervous systems and segmented bodies.
J the ability to detect light and to move.


(TAKS 2, Bio TEKS 10A.1)
3. A typical annelid worm has a(an)
A open circulatory system and a pseudocoelom.
B open circulatory system and a true coelom.
C closed circulatory system and a true coelom.
D closed circulatory system and a pseudocoelom.


(TAKS 2, Bio TEKS 10A.2)
4. Which two characteristics are found in roundworms?
F an unsegmented body and a digestive system with two openings
G an unsegmented body and a digestive system with one opening
H a segmented body and a digestive system with two openings
J a segmented body and a digestive system with one opening


(TAKS 2, Bio TEKS 8C)
5. Unlike most other mollusks, cephalopods, with the exception of nautiluses, do NOT have
A a mantle.
B an external shell.
C internal gills.
D muscles.


(TAKS 2, Bio TEKS 8C)
6. How many shells do gastropods have?
F one or none
G one or two
H two
J none


(TAKS 2, Bio TEKS 10A.2)
7. An adult tapeworm is a parasite that survives in a host's
A digestive system.
B circulatory system.
C nervous system.
D respiratory system.


(TAKS 2, Bio TEKS 8C)
8. What are polychaetes?
F annelid segments
G segmented marine worms
H parasitic roundworms
J tapeworm segments


(TAKS 2, Bio TEKS 8C)
9. Each of the following are parasitic roundworms EXCEPT
A hookworms.
B filarial worms.
C ascarid worms.
D tapeworms.


(TAKS 4, IPC TEKS 8A)
10. The condensation of water vapor to form liquid water is an example of a(an)
F change in state.
G chemical change.
H sublimation.
J deposition.