Introduction to Phylum Mollusca MCQ Tutorial
Welcome to the Phylum Mollusca Multiple Choice Questions (MCQs) tutorial! This session aims to test and enhance your understanding of the characteristics, anatomy, and unique features of molluscs.
Whether you’re a biology enthusiast, student, or just curious about these soft-bodied creatures, these questions will challenge and deepen your knowledge.
From the derivation of the term “Molluscus” to the specifics of their circulatory systems, dive into the world of molluscs through these thought-provoking MCQs. Enjoy the learning journey!
Multiple Choice Questions (MCQs)
1. Characteristics of mollusc are ________.
A. Mantle
B. Mantle cavity
C. Coelom
D. All of these
ANSWER: D
2. The word molluscus comes from ________.
A. Greek
B. Latin
C. Arabic
D. None of these
ANSWER: B
3. Basic parts of mollusc are _______.
A. 3
B. 5
C. 4
D. 8
ANSWER: C
4. Radula is a unique feature of molluscs.
A. Yes
B. No
ANSWER: A
5. Molluscs are composed of four basic components.
A. Yes
B. No
ANSWER: A
6. Molluscs are well-defined as hard bodied.
A. Yes
B. No
ANSWER: B
7. Molluscs are soft bodied animals that have either _____.
A. Internal
B. External
C. Internal or External
D. None of these
ANSWER: C
8. Flat surface adopted for locomotion and usually contains mouth and other feeding structures are _______.
A. Shell
B. Foot
C. Mantle
D. Visceral mass
ANSWER: B
9. Rasping tongue like structure used for scraping is _________.
A. Mantle
B. Ctenidia
C. Radula
D. None of these
ANSWER: C
10. In open circulatory systems, the blood is always contained in vessels.
A. Yes
B. No
ANSWER: B
11. Organisms that are well defined as soft bodied animals are called.
A. Arthropods
B. Nematodes
C. Molluscs
D. None of these
Answer. C
12. The word “Molluscus” is derived from.
A. Greek Word
B. Roman word
C. Latin Word
D. None of these
Answer. C
13. The word Molluscus Means.
A. Hard
B. Fragile
C. Soft
D. Floating
Answer. C
14. Special Gills in molluscs which are also used for filter-feeding
A. Mantle
B. Ctenidia
C. Radula
D. All of these
Answer. B
15. In Molluscs blood travels in open spaces called
A. Sinuses
B. Vessels
C. Body Cavity
D. None of these
Answer. A