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MOLLUSCA MCQs

Total Questions : 20 | Page 1 of 2 pages
Question 1. What kingdom do squid belong to?
  1.    Mollusca
  2.    Animalia
  3.    Cephalopoda
  4.    Porifera
 Discuss Question
Answer: Option B. -> Animalia
Question 2. Why is a ridged gill surface more advantageous than a flat gill surface?
  1.    To catch krill
  2.    Increases surface area which increases gas exchange potential
  3.    Increase surface area to increase blood filtration
  4.    To increase movement
 Discuss Question
Answer: Option B. -> Increases surface area which increases gas exchange potential
Question 3. Which of the following is NOT one of the body parts all mollusks have in common?
  1.    Beak
  2.    Shell
  3.    Mantle
  4.    Visceral Mass
 Discuss Question
Answer: Option A. -> Beak
Question 4. Which class of Mollusks have many species that are sessile?
  1.    Gastropods
  2.    Bivalves
  3.    Cephalopods
  4.    arthropods
 Discuss Question
Answer: Option B. -> Bivalves
Question 5. What does the term mollusca mean in Latin?
  1.    Soft-bodied
  2.    Hard-bodied
  3.    Foot
  4.    Slimy
 Discuss Question
Answer: Option A. -> Soft-bodied
Question 6. Which class of molluscs include clams, scallops, and mussels?
  1.    Gastropoda
  2.    Bivalvia
  3.    Cephalopoda
  4.    None of these
 Discuss Question
Answer: Option B. -> Bivalvia
Question 7. Which class of Mollusks have a closed circulatory system?
  1.    Gastropods
  2.    Bivalves
  3.    Cephalopods
  4.    All of the classes
 Discuss Question
Answer: Option C. -> Cephalopods
Question 8. Where do fertilized eggs develop?
  1.    Uterus
  2.    Externally
  3.    Cervix
  4.    Gills
 Discuss Question
Answer: Option D. -> Gills
Question 9. Which of the following body parts of most molluscs is used for feeding?
  1.    foot
  2.    gills
  3.    mantle
  4.    radula
 Discuss Question
Answer: Option D. -> radula
Question 10. Which of the following is NOT a class of molluscs?
  1.    bivalves
  2.    crustaceans
  3.    gastropods
  4.    cephalopods
 Discuss Question
Answer: Option B. -> crustaceans

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