Most of the metabolism of a plant is carried out by

Options

A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Epidermis

Answer

To answer the question "Most of the metabolism of a plant is carried out by," we will analyze the options provided and identify which type of tissue is primarily responsible for metabolic activities in plants.

### Step-by-Step Solution:

1. **Understanding the Options**: The question provides four options:
- Parenchyma
- Collenchyma
- Sclerenchyma
- Epidermis

2. **Analyzing Parenchyma**:
- Parenchyma cells are the most abundant and versatile type of plant cells.
- They are involved in various functions including storage, photosynthesis, and tissue repair.
- Parenchyma cells contain chloroplasts in green tissues, which allows them to perform photosynthesis, a key metabolic process.

3. **Analyzing Collenchyma**:
- Collenchyma cells provide structural support, especially in young stems and leaves.
- They are not primarily involved in metabolic processes.

4. **Analyzing Sclerenchyma**:
- Sclerenchyma cells are specialized for support and strength.
- They are dead at maturity and do not participate in metabolic activities.

5. **Analyzing Epidermis**:
- The epidermis serves as a protective layer for the plant.
- While it may play a role in gas exchange and protection, it is not involved in the majority of metabolic processes.

6. **Conclusion**:
- Given that parenchyma cells are responsible for a wide range of metabolic activities due to their abundance and versatility, the correct answer is that most of the metabolism of a plant is carried out by **Parenchyma**.

### Final Answer:
Most of the metabolism of a plant is carried out by **Parenchyma**.