Question

How are bacteria classified on the basis of number and distribution of flagella?

Answer 1

The bacteria are classified on the basis of number and distribution of flagella into different types. The types are described as follows:

Atrichous: The bacterium does not possess a flagella.

Monotrichous: There is one flagella which is present at the extreme end of one pole.

Lophotrichous: There is bunch of flagella at one pole.

Amphitrichous: There are tow bunches of flagella at two opposite poles.

Peritrichous: There are flagella which are present on the cell wall surrounding the body of the bacterium in all the directions.