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 student wants to avoid rote memorization. After reading that 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 correct concept is: (291)

A. jointed appendages and exoskeleton B. cellular-level organization with choanocytes C. cnidocytes and gastrovascular cavity D. radula and mantle cavity
Correct Answer: B. cellular-level organization with choanocytes
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: (276)

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

A student wants to avoid rote memorization. After reading that a flatworm and a roundworm are placed side by side. the roundworm is recognized by a cylindrical body, complete gut, and pseudocoelom., the correct concept is: (292)

A. cylindrical body with pseudocoelom and complete gut B. radial body with cnidocytes C. segmented body with setae D. dorsoventrally flattened acoelomate body
Correct Answer: A. cylindrical body with pseudocoelom and complete gut
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. (261)

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

A student wants to avoid rote memorization. After reading that a mollusc and an annelid both show trochophore larvae in many species, but their adult body plans are very different., the correct concept is: (293)

A. jointed appendages as a shared adult trait B. trochophore larva as a developmental link C. cnidocytes as a shared adult trait D. tube feet as a shared adult trait
Correct Answer: B. trochophore larva as a developmental link
BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanMedium

For a concept-based MCQ, read this case: a flatworm and a roundworm are placed side by side. the roundworm is recognized by a cylindrical body, complete gut, and pseudocoelom. Select the strongest explanation. (262)

A. segmented body with setae B. dorsoventrally flattened acoelomate body C. radial body with cnidocytes 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)PakistanHard

For a concept-based MCQ, read this case: a mollusc and an annelid both show trochophore larvae in many species, but their adult body plans are very different. Select the strongest explanation. (263)

A. trochophore larva as a developmental link B. tube feet as a shared adult trait C. cnidocytes as a shared adult trait D. jointed appendages as a shared adult trait
Correct Answer: A. trochophore larva as a developmental link