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MOLLUSCA MCQs

Total Questions : 20 | Page 2 of 2 pages
Question 11. What does Cephalopod mean?
  1.    means "2-shells"
  2.    means "head-foot"
  3.    means "stomach-foot"
  4.    All of above
 Discuss Question
Answer: Option B. -> means "head-foot"
Question 12. Which class of Mollusks is the only class with some terrestrial species?
  1.    Gastropods
  2.    Bivalves
  3.    Cephalopods
  4.    none of the above
 Discuss Question
Answer: Option A. -> Gastropods
Question 13. Which TYPE of mollusk has two shells?
  1.    Bivalve
  2.    Gastropod
  3.    Cephalopod
  4.    Both A & B
 Discuss Question
Answer: Option A. -> Bivalve
Question 14. Which group has no shell?
  1.    Aplacophora
  2.    Monoplacophora
  3.    Gastropoda
  4.    Polyplacophora
 Discuss Question
Answer: Option A. -> Aplacophora
Question 15. What structure do snails use for feeding?
  1.    Scolex
  2.    Radula
  3.    Fibula
  4.    Tentacles
 Discuss Question
Answer: Option B. -> Radula
Question 16. How many overlapping plates make up a chiton's shell?
  1.    7
  2.    10
  3.    6
  4.    8
 Discuss Question
Answer: Option D. -> 8
Question 17. What are the three major classes of mollusks?
  1.    Gastropods
  2.    Bivalves
  3.    Cephalopods
  4.    All of above
 Discuss Question
Answer: Option D. -> All of above
Question 18. Which is not why a giant squid is a formidable predator?
  1.    Strong/Muscular arms and tentacles
  2.    Large, well developed eyes
  3.    Small beak
  4.    Strong specialized mouth with toxic saliva
 Discuss Question
Answer: Option C. -> Small beak
Question 19. What phylum do squid belong to?
  1.    Mollusca
  2.    Animalia
  3.    Cephalopoda
  4.    Porifera
 Discuss Question
Answer: Option A. -> Mollusca
Question 20. What are two defining traits of a mollusk?
  1.    Soft-Bodied
  2.    Internal or External Shell
  3.    Stomach
  4.    Both A & B
 Discuss Question
Answer: Option D. -> Both A & B

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