For a concept-based MCQ, read this case: a sea star and a chordate are discussed together in a phylogeny lecture even though one is an invertebrate. Select the strongest explanation. (240)
Correct Answer: D. deuterostome development
MCQ Collection
Animal Diversity-I (Invertebrates) MCQs
Practice Animal Diversity-I (Invertebrates) questions with answers and explanations.
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: (241)
Correct Answer: B. cellular-level organization with choanocytes
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: (226)
Correct Answer: B. cellular-level organization with choanocytes
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: (242)
Correct Answer: A. cylindrical body with pseudocoelom and complete gut
A flatworm and a roundworm are placed side by side. The roundworm is recognized by a cylindrical body, complete gut, and pseudocoelom. In an exam answer, the key reason is: (227)
Correct Answer: C. cylindrical body with pseudocoelom and complete gut
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: (243)
Correct Answer: D. trochophore larva as a developmental link
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: (228)
Correct Answer: A. trochophore larva as a developmental link
A student wants to avoid rote memorization. After reading that an arthropod and a nematode are grouped together in modern discussions because both shed an outer cuticle during growth., the correct concept is: (244)
Correct Answer: C. ecdysis of a cuticle
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: (229)
Correct Answer: A. ecdysis of a cuticle
A student wants to avoid rote memorization. After reading that a sea star and a chordate are discussed together in a phylogeny lecture even though one is an invertebrate., the correct concept is: (245)
Correct Answer: D. deuterostome development
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: (230)
Correct Answer: B. deuterostome development
In a viva, the examiner says: 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 expected answer is: (246)
Correct Answer: A. cellular-level organization with choanocytes