Which organisms are employed in gobar gas production ?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Gobar Gas**: Gobar gas is commonly known as biogas, which primarily consists of methane (CH4). It is produced through the anaerobic digestion of organic matter.

2. **Identifying the Organisms**: The organisms that are primarily responsible for the production of gobar gas are called methanogens. These are a group of microorganisms that produce methane as a metabolic byproduct.

3. **Common Methanogens**: The most common methanogenic bacteria involved in gobar gas production are:
- **Methanobacterium**
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