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?
2. Identify the characteristic of acoelomates
- Absence of mesoderm
- Absence of brain
- Coelom that is incompletely lined with a mesoderm
- Solid body without a cavity surrounding internal organs
Also Read: Animal Kingdom
3. Salamander belongs to the class
4. Which of the following combinations is incorrect?
- Nematoda- roundworms, pseudocoelomate
- Calcarea- gastrovascular cavity, coelom present
- Echinodermata- coelom present, bilateral symmetry
- Platyhelminthes- gastrovascular cavity, flatworms, acoelomate
5. Flame cells are the excretory structures for
Also Read: Animal kingdom Subphylum
6. Phylum Porifera is classified based on
7. The canal system in sponges develops due to
- Porous walls
- Gastrovascular system
- Folding of inner walls
8. Select the correct pair
- Arthropoda- silver fish
- Pisces- jelly fish
- Echinodermata- cuttle fish
- Mollusca- star fish
9. Which group does not contain polyp?
Also Read: Animal Kingdom-Basis of Classification
10. Ascaris is characterized by
- Presence of true coelom and metamerism
- Presence of true coelom but absence of metamerism
- Absence of true coelom and metamerism
- Absence of true coelom but presence of metamerism
11. Cnidaria is characterized by
- Tissue level of organization
12. Notochord occurs throughout life and all through the length of the body in
13. Periplaneta belongs to which phylum?
Also Read: Kingdom Animalia
14. Which of the following characters is not typical to class Mammalia?
- Alveolar lungs
- Seven cervical vertebrae
- Theocodont dentition
- Ten pairs of cranial nerves
15. Radial symmetry is found in
- Coelenterata and Platyhelminthes
- Coelenterata and Echinodermata
- Arthropoda and Mollusca
- Porifera and Coelenterata