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Solution


Q.

The motile bacteria are able to move by                        [2014]
1 fimbriae  
2 flagella  
3 cilia  
4 pili  

Ans.

(2)

Flagellum is the organ of motility in bacteria. Bacterial flagella are unistranded, equivalent to a single microtubular fibre and formed of protein called flagellin. They perform rotatory movements.