House flies are mechanical carries of

Options

A. Amoebiasis
B. Malaria
C. common cold
D. plague

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question asks about house flies, which belong to the genus *Musca*, specifically *Musca domestica*.

2. **Understand the Role of House Flies**: House flies are known as mechanical carriers of various pathogens. This means they can carry disease-causing organisms from one place to another without being affected by them.

3. **List Diseases Associated with House Flies**: Some of the diseases that house flies can transmit include:
- Typhoid
- Cholera
- Diarrhea
- Amoebiasis

4. **Identify the Pathogen for Amoebiasis**: The specific pathogen responsible for amoebiasis is *Entamoeba histolytica*. This pathogen can be transmitted by house flies when they come into contact with contaminated food or surfaces.

5. **Recognize Symptoms of Amoebiasis**: Symptoms include:
- Abdominal pain
- Cramps
- Mucus in stool
- Blood clots in stool

6. **Differentiate from Other Options**: The question may provide other options related to diseases transmitted by different vectors:
- Malaria is transmitted by the Anopheles mosquito.
- Plague is transmitted by flea bites.
- House flies are specifically associated with the diseases mentioned above.

7. **Conclude the Correct Answer**: Based on the information, the correct answer to the question "House flies are mechanical carriers of" is the diseases like typhoid, cholera, diarrhea, and amoebiasis.

**Final Answer**: House flies are mechanical carriers of diseases such as typhoid, cholera, diarrhea, and amoebiasis.

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