Question

Cilia are :

• A. short $(5-10\, \mu\, m)$ hair like narrow protoplasmic processes
• B. with sweeping or pendular movements
• C. more numerous
• D. all of the above

Answer 1

The Correct Option is D

The correct answer is D:all of the above
Cilia are small, hair like structures that are found in bacteria and have a role in movement, sensory perception etc. They are short and are 5-10
micrometres long. They are present in numerous numbers and help in sweeping movements. They have tubulin protein subunits. 
Therefore, all the options given in the question are correct.