Animal Kingdom Ques 87
87. Which one assists in locomotion?
(a) Trichocysts in Paramecium
(b) Pedicellariae of Star Fish
(c) Clitellum in Pheretima
(d) Posterior sucker in Hirudinaria
Show Answer
Answer : d
Hints & Solutions
(d) Hirudinaria (leech), does not possesses setae or parapodia for locomotion. Its posterior sucker helps in locomotion.