Which of the following protists uses cilia for locomotion?

a. ciliates

b. dinoflagellates

c. euglenoids

d. amoebas

Protists that uses cilia for locomotion are ciliates. The answer is letter A. Protists belong to the group eukaryotes (having their DNA enclosed inside the nucleus). They are not plants, nimals or fungi but they act like one. They can be in general subgroups such as unicellular algae, protozoa and molds. They thrive in environments with little sunlight.