Ch. 27 Test in Text
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The muscular tube found near the mouth of the digestive cavity in flatworms is
called a(an)
a. | proglottid | c. | anus | b. | scolex | d. | pharynx |
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2.
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The head of an adult tapeworm is called a
a. | flame cell | c. | cuticle | b. | scolex | d. | mantle |
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3.
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The body cavity of a roundworm is called a
a. | coelom | c. | gizzard | b. | pseudocoelom | d. | crop |
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4.
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What are the clusters of nerve cells in roundworms called?
a. | flame cells | c. | ganglia | b. | proglottids | d. | radulae |
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5.
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In the earthworm, waste created by cellular metabolism is eliminated by
the
a. | crop | c. | gizzard | b. | nephridia | d. | flame cell |
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6.
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The digestive organ in which an earthworm stores food is number
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7.
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In earthworms, the clitellum is used in
a. | digestion | c. | reproduction | b. | excretion | d. | respiration |
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8.
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The tongue-shaped structure that some mollusks use for feeding is the
a. | radula | c. | mantle | b. | sinus | d. | proglottid |
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9.
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Mollusks eliminate nitrogen-containing wastes through simple tube-shaped organs
called
a. | gills | c. | radulae | b. | nephrons | d. | nephridia |
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10.
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A mollusk with a shell consisting of two parts is a member of the class
a. | Cephalopoda | c. | Bivalvia | b. | Annelida | d. | Gastropoda |
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