Which of these has got a clitellum:
A.Neries
B.Earthwork
C.Cockroach
D.None of these
A.Neries
B.Earthwork
C.Cockroach
D.None of these
A.Control flow of blood
B.Kill harmful bacteria
C.Increase absorptive surface area
D.None of these
A.Earthworms and leeches
B.Cockroaches
C.Rabbit
D.Birds
A.Setae, muscles and hydrostatic skeleton
B.Setae alone
C.Muscles alone
D.Parapodia
A.6?7
B.9?10
C.7?8
D.14?15
A.Feeding
B.Locomotion
C.Reproduction
D.None of these
A.3, 4, 5
B.4, 5, 6
C.5, 6, 7
D.6, 7, 8
A.Reproductive organs
B.Intestine
C.Gizzard
D.Pharynx
A.Longitudinal folds
B.Transverse folds
C.No folds
D.Ridges
A.Oligochaeta
B.Polychaeta
C.Hirudinea
D.None of these