the first step in biogas production is carried out with the help of

Options

A. Obligate aerobes
B. Decomposers
C. Methanogens
D. Detritivores

Answer

To answer the question regarding the first step in biogas production, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding Biogas Production**:
Biogas production occurs through a series of steps that involve the breakdown of organic matter. The process typically consists of three main stages: decomposition, acidification, and methanogenesis.

2. **Identifying the First Step**:
The first step in biogas production is known as decomposition. This step involves breaking down complex organic materials into simpler compounds.

3. **Role of Microorganisms**:
The decomposition process is primarily facilitated by microorganisms. These microorganisms can be categorized into different types based on their oxygen requirements.

4. **Types of Microorganisms Involved**:
- **Obligate Aerobes**: These require oxygen for their metabolic processes.
- **Facultative Anaerobes**: These can function with or without oxygen.
- **Decomposers**: This group includes both obligate and facultative anaerobes that play a crucial role in breaking down organic matter.

5. **Enzymatic Action**:
During decomposition, decomposers secrete hydrolytic enzymes that help in breaking down complex molecules:
- Lipases for lipids
- Proteases for proteins
- Cellulases for cellulose

6. **Conclusion**:
Based on the role of these microorganisms, the correct answer to the question is that the first step in biogas production is carried out with the help of **decomposers**.

### Final Answer:
The first step in biogas production is carried out with the help of **decomposers**.

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