MCQs Archive - Page 54 of 401

BS Zoology Semester Exam Animal Diversity-I (Invertebrates)PakistanHard

For a concept-based MCQ, read this case: an arthropod and a nematode are grouped together in modern discussions because both shed an outer cuticle during growth. Select the strongest explanation. (264)

A. presence of cnidocytes B. ecdysis of a cuticle C. water vascular system D. presence of a radula

Correct Answer: B. ecdysis of a cuticle

BS Zoology Semester Exam Animal 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

BS Zoology Semester Exam Animal 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 Exam Animal 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 Exam Animal Diversity-I (Invertebrates)PakistanHard

A teacher gives this comparison: a sea star and a chordate are discussed together in a phylogeny lecture even though one is an invertebrate. The point being tested is: (260)

A. deuterostome development B. diploblastic body wall C. lack of mesoderm D. protostome development

Correct Answer: A. deuterostome development

BS Zoology Semester Exam Animal Diversity-I (Invertebrates)PakistanHard

A teacher gives this comparison: an arthropod and a nematode are grouped together in modern discussions because both shed an outer cuticle during growth. The point being tested is: (259)

A. presence of cnidocytes B. presence of a radula C. water vascular system D. ecdysis of a cuticle

Correct Answer: D. ecdysis of a cuticle

BS Zoology Semester Exam Animal Diversity-I (Invertebrates)PakistanHard

A teacher gives this comparison: a mollusc and an annelid both show trochophore larvae in many species, but their adult body plans are very different. The point being tested is: (258)

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

Correct Answer: B. trochophore larva as a developmental link

BS Zoology Semester Exam Animal 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: (257)

A. cylindrical body with pseudocoelom and complete gut B. segmented body with setae C. radial body with cnidocytes D. dorsoventrally flattened acoelomate body

Correct Answer: A. cylindrical body with pseudocoelom and complete gut

BS Zoology Semester Exam Animal 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: (256)

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

Correct Answer: D. cellular-level organization with choanocytes

BS Zoology Semester Exam Animal Diversity-I (Invertebrates)PakistanHard

A sea star and a chordate are discussed together in a phylogeny lecture even though one is an invertebrate. In an exam answer, the key reason is: (255)

A. protostome development B. diploblastic body wall C. lack of mesoderm D. deuterostome development

Correct Answer: D. deuterostome development

BS Zoology Semester Exam Animal Diversity-I (Invertebrates)PakistanHard

An arthropod and a nematode are grouped together in modern discussions because both shed an outer cuticle during growth. In an exam answer, the key reason is: (254)

A. presence of a radula B. presence of cnidocytes C. ecdysis of a cuticle D. water vascular system

Correct Answer: C. ecdysis of a cuticle

BS Zoology Semester Exam Animal Diversity-I (Invertebrates)PakistanHard

A mollusc and an annelid both show trochophore larvae in many species, but their adult body plans are very different. In an exam answer, the key reason is: (253)

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

Correct Answer: B. trochophore larva as a developmental link

All MCQs