MCQ Collection

Animal Diversity-I (Invertebrates) MCQs

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

BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanHard

While comparing invertebrate groups, a phylogeny lecture uses sea stars to explain invertebrate links with vertebrate ancestry. The feature being tested is:

A. echinoderms are protozoans B. echinoderms are molluscs C. echinoderms are cnidarians D. echinoderms are closer to chordates than arthropods in deuterostome relationships
Correct Answer: D. echinoderms are closer to chordates than arthropods in deuterostome relationships
BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanMedium

In museum study, a lab exam asks students to place a specimen into phylum and class after observing its diagnostic traits. The specimen or feature is best linked with:

A. classification up to class is only spelling practice B. classification up to class applies only to plants C. classification up to class replaces observation D. classification up to class helps identify representative diversity
Correct Answer: D. classification up to class helps identify representative diversity
BS Zoology Semester ExamAnimal Diversity-I (Invertebrates)PakistanMedium

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: (221)

A. cellular-level organization with choanocytes B. radula and mantle cavity C. jointed appendages and exoskeleton D. cnidocytes and gastrovascular cavity
Correct Answer: A. cellular-level organization with choanocytes
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: (206)

A. cnidocytes and gastrovascular cavity B. radula and mantle cavity C. cellular-level organization with choanocytes D. jointed appendages and exoskeleton
Correct Answer: C. 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: (222)

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