Question

The presence of a cluster of polar flagella is termed as ___

Answer 1

Flagella:

1. A slender tread-like structure protruding from certain cells and enabling the cells to move is known as flagella.
2. Lophotrichous refers to the condition where there is a cluster of polar flagella at one end or both ends of a bacterial cell.
3. Examples of such bacterium include Spirillum, Pseudomonas fluorescens, etc.

Final answer: The presence of a cluster of polar flagella is termed as Lophotrichous.