The shape of cocci bacterium is

Options

A. rod
B. round
C. spiral
D. comma

Explanation

**Step-by-Step Solution:**

1. **Identify the Bacterium:** The question asks about the shape of cocci bacteria. Cocci is a term used to describe spherical-shaped bacteria.

2. **Understanding Cocci Bacteria:** Cocci bacteria are round in shape. They can exist as single cells or in groups, forming various arrangements based on how they divide.

3. **Different Forms of Cocci:**
- **Micrococcus:** These are small, round cocci that can exist alone.
- **Diplococcus:** When two cocci are paired together, they are referred to as diplococci.
- **Streptococcus:** This refers to cocci that form chains.
- **Staphylococcus:** This refers to cocci that form clusters resembling a bunch of grapes.

4. **Conclusion:** The shape of cocci bacteria is round. Therefore, the correct answer to the question is that cocci bacteria are spherical in shape.

5. **Final Answer:** The shape of cocci bacterium is round.

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