Correct statements about leaves -

Options

A. originate from shoot apical meristem
B. Are arranged in an acropetal order
C. Are the most important vegetative organs for photosynthesis
D. All

Answer

To determine the correct statements about leaves, let's analyze each statement step by step:

### Step 1: Origin of Leaves
- **Statement**: Leaves originate from the shoot apical meristem.
- **Explanation**: The shoot apical meristem is the growing tip of a plant stem where new leaves and shoots develop. This statement is correct because leaves do indeed originate from this region.

### Step 2: Arrangement of Leaves
- **Statement**: Leaves are arranged in acropetal order.
- **Explanation**: Acropetal order refers to the arrangement where the younger leaves are at the top (or apex) of the stem, and the older leaves are at the bottom. This is a common arrangement in many plants. Therefore, this statement is also correct.

### Step 3: Function of Leaves
- **Statement**: Leaves are the most important vegetative organs for photosynthesis.
- **Explanation**: Leaves contain chlorophyll, which is essential for photosynthesis. They are indeed the primary sites for this process in plants, making this statement correct as well.

### Conclusion:
Based on the analysis of the statements:
1. Leaves originate from the shoot apical meristem - **Correct**
2. Leaves are arranged in acropetal order - **Correct**
3. Leaves are the most important vegetative organs for photosynthesis - **Correct**

Thus, all the statements about leaves are correct.

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