Bihar Police Constable Model Paper 7

Arthropoda -

• The word ‘arthropod’ means ‘jointed legs’.
• Ex: houseflies, spiders, scorpions, prawns, butterflies and crabs.

The Hierarchy of Classification of living organisms -

• Living organisms are classified into five kingdoms, by Whittaker, i.e.
  • ​Kingdom Monera,
  • Kingdom Protista,
  • Kingdom Fungi,
  • Kingdom Plantae,
  • Kingdom Animalia.
• Further classification is done by the following scheme: Kingdom, Phylum (for animals) / Division (for plants), Class, Order, Family, Genus, Species.
• Kingdom Animalia is further classified based on the extent and type of the body design differentiation found, as below: