Which of these options doesn't have a pair of diseases caused by organisms of the same genus ?

Options

A. Tuberculosis and Leprosy
B. Tetanus and Food poisoning
C. African sleeping sickness and chaga's disease
D. Anthrax and Plague

Answer

To solve the question, we need to identify which of the given options does not have a pair of diseases caused by organisms of the same genus. Let's analyze each option step by step.

### Step 1: Analyze Option A - Tuberculosis and Leprosy
- **Tuberculosis (TB)** is caused by the bacterium **Mycobacterium tuberculosis**.
- **Leprosy** is caused by the bacterium **Mycobacterium leprae**.
- **Conclusion**: Both diseases are caused by organisms of the same genus, **Mycobacterium**.

### Step 2: Analyze Option B - Tetanus and Food Poisoning
- **Tetanus** is caused by the bacterium **Clostridium tetani**.
- **Food Poisoning** can be caused by various organisms, but one common cause is **Clostridium botulinum**.
- **Conclusion**: Both diseases are caused by organisms of the same genus, **Clostridium**.

### Step 3: Analyze Option C - African Sleeping Sickness and Chaga Disease
- **African Sleeping Sickness** is caused by the protozoan **Trypanosoma brucei**.
- **Chaga Disease** is caused by the protozoan **Trypanosoma cruzi**.
- **Conclusion**: Both diseases are caused by organisms of the same genus, **Trypanosoma**.

### Step 4: Analyze Option D - Anthrax and Plague
- **Anthrax** is caused by the bacterium **Bacillus anthracis**.
- **Plague** is caused by the bacterium **Yersinia pestis**.
- **Conclusion**: These diseases are caused by organisms of different genera (**Bacillus** and **Yersinia**).

### Final Answer
Based on the analysis, the option that does not have a pair of diseases caused by organisms of the same genus is **Option D: Anthrax and Plague**.

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