Basis of Classification of Animal Kingdom MCQ - Practice Questions with Answers

• Animals are eukaryotic and multicellular organisms. 
• An animal cell lacks the cell wall. 
• The plasma membrane forms the outermost layer of the cell. 
• They obtain their food in the form of organic carbon from plants or other animals, so animals are called heterotrophic. 
• They are also called consumers. 
• They can be herbivores (feeding on plants and plant parts),  parasites (feeding on a host organism by killing or weakening it), carnivores (feeding on the flesh of other animals), and omnivores (feeding on both plants and flesh).

Animals can be classified as Nonchordates and Chordates. The difference between the two is as follows :

Animal Kingdom are divided into following Phyla 

• Porifera
• Coelenterata
• Ctenophora
• Platyhelminthes
• Aschelminthes (Nemathelminthes)
• Annelids
• Arthropoda
• Mollusca
• Echinodermata
• Hemichordata
• Chordata

Different Phyla are divided on the basis of following characters

1. Levels of Organization
2. Body Symmetry
3. Germ Layers
4. Coelom
5. Segmentation
6. Notochord