Coupon Accepted Successfully!



  • Earthworm belongs to the phylum Annelida, Genus Pheretima and Species posthuma.
  • The first segment at the anterior end of the earthworm is called the `buccal segment' or peristomium.
    Earthworms are known as `friend of farmers'.
  • Cockroaches belong to the class Insecta under the phylum Arthropoda. They belong to the genus Periplaneta.
  • The body of the cockroach is segmented and divisible into three distinct regions - head, thorax and abdomen.
  • In cockroach the sense organs are antenna, eyes, maxillary palps, labial palps and anal cerci etc.
  • Cockroach causes damage to the household material including clothes, shoes, purses, etc. It also eats and destroys foodstuffs.
  • The scientific name of common toad is Bufo melanostictus.
  • The circulatory system of frog consists of blood vascular system and lymphatic system. It is of closed type and represents single circulation.
  • Frog has five types of sense organs.
  • Frog eats up insects and thus protects the crop. This saves expenditure on insecticides.

Test Your Skills Now!
Take a Quiz now
Reviewer Name