MCQs On Animal Kingdom

Animals are multicellular, heterotrophic, eukaryotic organisms which obtain nutrition from other organisms. The animal kingdom is a vast kingdom which includes all the animals in the world. These animals are classified into different phyla and sub-phyla based on their characteristics, to make their identification easier.

Porifera is the most primitive animal group. The different phyla of the animal kingdom include- Phylum Arthropoda, Plylum, Annelida, Phylum Mollusca, Phylum Coelenterata, etc.

Animal Kingdom MCQs

1. Which class has the largest number of animals?

  1. Fishes
  2. Reptiles
  3. Insects
  4. Mammals

2. Identify the characteristic of acoelomates

  1. Absence of mesoderm
  2. Absence of brain
  3. Coelom that is incompletely lined with a mesoderm
  4. Solid body without a cavity surrounding internal organs

Also Read: Animal Kingdom

3. Salamander belongs to the class

  1. Pisces
  2. Aves
  3. Reptiles
  4. Amphibian

4. Which of the following combinations is incorrect?

  1. Nematoda- roundworms, pseudocoelomate
  2. Calcarea- gastrovascular cavity, coelom present
  3. Echinodermata- coelom present, bilateral symmetry
  4. Platyhelminthes- gastrovascular cavity, flatworms, acoelomate

5. Flame cells are the excretory structures for

  1. Annelida
  2. Coelenterates
  3. Platyhelminthes
  4. Echinodermata

Also Read: Animal kingdom Subphylum

6. Phylum Porifera is classified based on

  1. Branching
  2. Symmetry
  3. Spicules
  4. Reproduction

7. The canal system in sponges develops due to

  1. Porous walls
  2. Gastrovascular system
  3. Reproduction
  4. Folding of inner walls

8. Select the correct pair

  1. Arthropoda- silver fish
  2. Pisces- jelly fish
  3. Echinodermata- cuttle fish
  4. Mollusca- star fish

9. Which group does not contain polyp?

  1. Anthozoa
  2. Hydrozoa
  3. Scyphozoa
  4. Calcarea

Also Read: Animal Kingdom-Basis of Classification

10. Ascaris is characterized by

  1. Presence of true coelom and metamerism
  2. Presence of true coelom but the absence of metamerism
  3. Absence of true coelom and metamerism
  4. Absence of true coelom but the presence of metamerism

11. Cnidaria is characterized by

  1. Tissue level of organization
  2. Nematoblasts
  3. Coelenteron
  4. All

12. Notochord occurs throughout life and all through the length of the body in

  1. Cephalochordata
  2. Hemichordata
  3. Urochordata
  4. Vertebrata

13. Periplaneta belongs to which phylum?

  1. Mollusca
  2. Arthropoda
  3. Annelida
  4. Echinodermata

Also Read: Kingdom Animalia

14. Which of the following characters is not typical to class Mammalia?

  1. Alveolar lungs
  2. Seven cervical vertebrae
  3. Thecodont dentition
  4. Ten pairs of cranial nerves

15. Radial symmetry is found in

  1. Coelenterata and Platyhelminthes
  2. Coelenterata and Echinodermata
  3. Arthropoda and Mollusca
  4. Porifera and Coelenterata


Answer Key

1- c 2- d 3- d 4- b 5- c 6- c 7- d 8- a
9- d 10- c 11- d 12- a 13- b 14- d 15- b

Other Important Topics

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Biology MCQs


Important questions on Animal Kingdom