Question

The presence of a cluster of polar flagella is termed as

• A. Monotrichous
• B. Amphitrichous
• C. Lophotrichous
• D. Peritrichous

Answer 1

The correct option is C Lophotrichous

There are 4 types of flagellar distribution on bacteria :

1.) Monotrichous: Single polar flagellum

Example: Vibrio cholerae

2. Amphitrichous: Single flagellum on both sides

Example: Alkaligens faecalis

3. Lophotrichous: Tufts of flagella at one or both sides

Example: Spirillum

4. Peritrichous: Numerous flagella all over the bacterial body

Example: Salmonella typhi

Hence C is the correct option.