An insect which transmits a disease is known as

Options

A. Intermediate host
B. Parasite
C. Vector
D. Prey

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term used to describe an insect that transmits a disease.

2. **Identifying the Term**: The specific term for an insect that carries and transmits pathogens (disease-causing organisms) is known as a "vector."

3. **Example of a Vector**: A common example of a vector is the mosquito, which transmits diseases such as malaria.

4. **Understanding the Disease**: Malaria is caused by a protozoan parasite known as Plasmodium. The mosquito acts as a vector by carrying the Plasmodium and transmitting it to humans when it bites.

5. **Conclusion**: Therefore, the answer to the question is that an insect which transmits a disease is known as a "vector."

**Final Answer**: A vector.

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