2020 Phase-2 Animal KingdomDistinctive characteristics of animal phyla/classes Medium Question 39 of 123 in Animal Kingdom

Match the following group of organisms with their respective distinctive characteristics and select the correct option

Column I

  • a. Platyhelminthes
  • b. Echinoderms
  • c. Hemichordates
  • d. Aves

Column II

  • i. Cylindrical body with no segmentation
  • ii. Warm blooded animals with direct development
  • iii. Bilateral symmetry with incomplete digestive system
  • iv. Radial symmetry with indirect development

Correct answer: a → iii, b → iv, c → i, d → ii

Solution

Platyhelminthes show bilateral symmetry with an incomplete digestive system (a-iii); Echinoderms show radial symmetry with indirect development (b-iv); Hemichordates have a cylindrical body with no segmentation (c-i); Aves are warm blooded animals with direct development (d-ii).

Concept Distinctive characteristics of animal phyla/classes

Animal Kingdom in past papers

123 questions from this chapter have appeared across 27 exam years.