Based upon the shape bacteria are grouped under how many categories?

Options

A. 2
B. 3
C. 4
D. 5

Answer

To answer the question regarding how many categories bacteria are grouped into based on their shape, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Bacterial Classification**: Bacteria can be classified based on various characteristics, one of which is their shape.

2. **Identifying Common Shapes**: The three primary shapes of bacteria are:
- **Cocci**: These are spherical or round-shaped bacteria.
- **Bacilli**: These are rod-shaped bacteria.
- **Spirilla**: These are spiral or corkscrew-shaped bacteria.

3. **Counting the Categories**: From the shapes identified, we can categorize bacteria into three main groups based on their shape:
- Cocci (spherical)
- Bacilli (rod-shaped)
- Spirilla (spiral)

4. **Conclusion**: Therefore, based on the shape, bacteria are grouped under **three categories**.

### Final Answer:
Bacteria are grouped under **three categories** based on their shape.

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