Question
Biology Question on Kingdom Animalia
Which one assists in locomotion?
A
Trichocysts in Paramecium
B
Pedicellariae of star fish
C
Clitellum in Pheretima
D
Posterior sucker in Hirudinaria.
Answer
Posterior sucker in Hirudinaria.
Explanation
Solution
The looping or crawling movement in Hirudinaria is performed with the help of muscles and suckers which serve for attachment. 125 (c): The beef tapeworm Taenia saginata is similar to the pork tapeworm Taenia solium, in structure and life history. It is the commonest tapeworm of man with a much greater incidence than that of T solium. Scolex bears four strong, rounded, adhesive suckers but lacks hooks and rostellum.