Which one of the following options in wrongly matched ?

Options

A. Sulphur bacteria-Chemosynthetic autotroph
B. Tetanus-Salmonella
C. Obligate anerobe-Clostridium botulinum
D. Endospore-Develop under unfavourable conditions

Answer

To solve the question of which option is wrongly matched, we will analyze each option provided in the question one by one.

### Step-by-Step Solution:

1. **Analyze the First Option: Sulphur Bacteria**
- Sulphur bacteria are known as chemosynthetic autotrophs.
- They utilize inorganic substances (like hydrogen sulfide) to obtain energy.
- This energy is then used to produce ATP.
- **Conclusion**: This option is correctly matched.

2. **Analyze the Second Option: Tetanus**
- Tetanus is caused by the bacterium *Clostridium tetani*.
- The question mentions a connection with Salmonella, which is incorrect.
- Salmonella, specifically *Salmonella typhi*, causes typhoid fever, not tetanus.
- **Conclusion**: This option is wrongly matched.

3. **Analyze the Third Option: Clostridium botulinum**
- *Clostridium botulinum* is an obligate anaerobic bacterium.
- It is known to cause botulism, which is a type of food poisoning.
- **Conclusion**: This option is correctly matched.

4. **Analyze the Fourth Option: Endospore Formation**
- Endospores are formed by bacteria under unfavorable conditions, such as starvation or stress.
- This dormant structure helps bacteria survive harsh environments.
- **Conclusion**: This option is correctly matched.

### Final Conclusion:
The wrongly matched option is the one that connects tetanus with Salmonella. Tetanus is caused by *Clostridium tetani*, while *Salmonella typhi* causes typhoid fever.

### Answer:
The wrongly matched option is **Tetanus and Salmonella**.

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