Clitellum in leeches is:
A.Permanent
B.Temproary
C.Absent
D.Embryonic
A.Permanent
B.Temproary
C.Absent
D.Embryonic
A.Strobilation
B.Metamerism
C.Pseudosegmentation
D.None of these
A.They provide food
B.They increase in fertility of soil
C.They kill bacteria
D.They kill insects
A.Muscus
B.Amylase
C.Lipase
D.None of these
A.Only plasma
B.Plasma and nucleated corpuscles
C.Plasma and non-nucleated corpuscles
D.None of these
A.Monoecious
B.Dioecious
C.Unisexual
D.With separate sexes
A.Earthworms
B.Leeches
C.Both (a) & (b)
D.None of these