Which of the following is odd one:
A.Cockroach, spider, silver-fish
B.Whale, bat, lizard
C.Star-fish, sea-cucumber, sea-urchin
D.Cray-fish, cuttle-fish hag-fish
A.Cockroach, spider, silver-fish
B.Whale, bat, lizard
C.Star-fish, sea-cucumber, sea-urchin
D.Cray-fish, cuttle-fish hag-fish
A.Mammal and native of Australia
B.Mammal and native of America
C.Reptile and native of Australia
D.Bird native of India
A.Chiton
B.Pila
C.Lamellidens
D.Octopus
A.Silver-fish
B.Cuttle-fish
C.Cray-fish
D.Hag-fish
A.Gliding
B.Flying
C.Crawling
D.Jumping
A.Malaria is a protozoan disease
B.Filaria is a nematode disease
C.Plague is arthropod disease
D.Leeches are ectoparasites of man and animals
A.Echidna
B.Dolphin
C.Ostrich
D.Ant eater
A.Porifera
B.Annelida
C.Coelentrata
D.None of these
A.3 pairs of legs
B.2 pairs of antennae
C.Wings on body
D.Large sized eyes
A.Cuvier
B.Lamarck
C.Aristotle
D.Linnaeus