MCQ Collection

Animal Diversity-I (Invertebrates) MCQs

Practice Animal Diversity-I (Invertebrates) questions with answers and explanations.

BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanMedium

A teacher gives this comparison: a sponge and a cnidarian are compared in class. the sponge differs most clearly because it has cellular-level organization and choanocyte-based filter feeding. The point being tested is: (231)

A. cellular-level organization with choanocytes B. jointed appendages and exoskeleton C. cnidocytes and gastrovascular cavity D. radula and mantle cavity
Correct Answer: A. cellular-level organization with choanocytes
BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanMedium

In a viva, the examiner says: a flatworm and a roundworm are placed side by side. the roundworm is recognized by a cylindrical body, complete gut, and pseudocoelom. The expected answer is: (247)

A. radial body with cnidocytes B. cylindrical body with pseudocoelom and complete gut C. dorsoventrally flattened acoelomate body D. segmented body with setae
Correct Answer: B. cylindrical body with pseudocoelom and complete gut
BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanMedium

A teacher gives this comparison: a flatworm and a roundworm are placed side by side. the roundworm is recognized by a cylindrical body, complete gut, and pseudocoelom. The point being tested is: (232)

A. dorsoventrally flattened acoelomate body B. radial body with cnidocytes C. segmented body with setae D. cylindrical body with pseudocoelom and complete gut
Correct Answer: D. cylindrical body with pseudocoelom and complete gut
BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanMedium

A sponge and a cnidarian are compared in class. The sponge differs most clearly because it has cellular-level organization and choanocyte-based filter feeding. In an exam answer, the key reason is: (251)

A. radula and mantle cavity B. cellular-level organization with choanocytes C. cnidocytes and gastrovascular cavity D. jointed appendages and exoskeleton
Correct Answer: B. cellular-level organization with choanocytes
BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanMedium

For a concept-based MCQ, read this case: a sponge and a cnidarian are compared in class. the sponge differs most clearly because it has cellular-level organization and choanocyte-based filter feeding. Select the strongest explanation. (236)

A. jointed appendages and exoskeleton B. radula and mantle cavity C. cellular-level organization with choanocytes D. cnidocytes and gastrovascular cavity
Correct Answer: C. cellular-level organization with choanocytes