Home › AP EAMCET › Biology › Zoology Unit 5: Locomotion and Reproduction in Protozoa › A Paramecium cilium beats in how many phases?
A Paramecium cilium beats in how many phases?
AA single phase
BTwo phases
CThree phases
DFour phases
Answer & Solution
Correct answer: B. Two phases
Each beat has a fast effective stroke followed by a slow recovery stroke.
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