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Q.
Cilia are :
J & K CETJ & K CET 2004Cell : The Unit of Life
Solution:
A cilium has the appearance of a sharp-pointed straight or curved hair that projects 5-10 (am. Many cilia often project from a single cell. The cilium moves forward with a sudden rapid whiplike stroke 10-20 times per second than it moves backward slowely to its original position.