Which one is employed for clearing oil spillage

Options

A. Escherichia coli
B. Streptococcus
C. Bacillus thuringiensis
D. Pseudomonas.

Answer

### Step-by-Step Text Solution:

1. **Understanding the Question**: The question asks which organism is used for clearing oil spills. Oil spills are environmental disasters that occur when oil is accidentally released into large water bodies.

2. **Identifying the Organism**: The organism that is commonly employed for cleaning up oil spills is a type of bacteria known as *Pseudomonas*.

3. **Characteristics of Pseudomonas**:
- *Pseudomonas* is a genus of gram-negative bacteria.
- These bacteria are known for their ability to degrade various organic pollutants, including hydrocarbons found in oil.

4. **Bioremediation Process**:
- The process of using microorganisms like *Pseudomonas* to clean up environmental contaminants is called bioremediation.
- In the case of oil spills, *Pseudomonas* bacteria break down the oil into less harmful substances, thus helping to restore the aquatic environment.

5. **Impact of Oil Spills**:
- Oil spills can cause significant damage to aquatic biodiversity, affecting marine life and ecosystems.
- Effective cleanup is crucial to conserve biodiversity and restore the affected areas.

6. **Conclusion**: Therefore, the correct answer to the question is that the organism employed for clearing oil spills is *Pseudomonas*.

### Final Answer:
The organism employed for clearing oil spillage is *Pseudomonas*.

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