Mark the incorrect statement w.r.t. demonstrated

Options

A. Microbes exhibit the metabolism
B. It is the property of all living forms
C. The metabolic reactions can be demonstrated in vitro
D. It is not a defining feature of life forms

Answer

To solve the question of marking the incorrect statement with respect to demonstrated metabolism in microbes, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Metabolism**:
- Metabolism refers to the sum of all chemical reactions that occur within a living organism, including both anabolism (building up) and catabolism (breaking down).

2. **Identifying the Statements**:
- We need to analyze the statements provided regarding microbes and their metabolic processes.

3. **Evaluating Each Statement**:
- **Statement A**: Microbes exhibit metabolism.
- This statement is correct as all living organisms, including microbes, exhibit metabolic processes.
- **Statement B**: Metabolism is a property of all living forms.
- This is also correct; metabolism is indeed a defining feature of life.
- **Statement C**: Metabolic reactions can be demonstrated in vitro.
- This statement is partially correct; while some metabolic reactions can be demonstrated in vitro, complete metabolism cannot be fully replicated outside a living organism.
- **Statement D**: Complete metabolic reactions cannot be demonstrated in vitro.
- This statement is incorrect because while some aspects of metabolism can be demonstrated in vitro, the complete metabolic process cannot be fully replicated outside of a living system.

4. **Conclusion**:
- The incorrect statement with respect to demonstrated metabolism is **Statement D**.

### Final Answer:
The incorrect statement is **Statement D**: Complete metabolic reactions cannot be demonstrated in vitro.

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