Microorganisms that causes disease are _________.

Options

A. pathogens
B. protozoans
C. algae
D. fungi

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the term that describes microorganisms that cause diseases.

2. **Understanding Microorganisms**: Microorganisms are tiny living organisms that can only be seen under a microscope. They include bacteria, viruses, fungi, and protozoa.

3. **Define Pathogens**: Pathogens are specific types of microorganisms that can cause diseases. They can be bacteria, viruses, fungi, or protozoa.

4. **Types of Diseases**: There are two main types of diseases:
- **Infectious (Communicable) Diseases**: These are caused by pathogens and can be transmitted from one person to another (e.g., Tuberculosis).
- **Non-Infectious (Non-communicable) Diseases**: These are not caused by pathogens and cannot be transmitted between individuals (e.g., Goiter).

5. **Conclusion**: Based on the information, the correct term for microorganisms that cause diseases is **Pathogens**.

**Final Answer**: Microorganisms that cause disease are **Pathogens**.

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