Phloem in dorsiventral leaves is directed towards

Options

A. lower epidermis
B. centre
C. upper epidermis
D. absence in leaves

Answer

To determine the direction of phloem in dorsiventral leaves, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Dorsiventral Leaves**:
- Dorsiventral leaves, also known as dicot leaves, have two distinct surfaces: the upper (adaxial) and the lower (abaxial) epidermis.

2. **Identifying Leaf Structure**:
- The upper epidermis is typically darker green due to the tightly packed palisade mesophyll cells, while the lower epidermis is lighter due to the spongy mesophyll, which contains more intercellular spaces.

3. **Locating Vascular Bundles**:
- Within the leaf, vascular bundles are present, which consist of xylem and phloem. The xylem is usually located on the upper side of the vascular bundle, while the phloem is located on the lower side.

4. **Conclusion**:
- Since the phloem is positioned on the lower side of the vascular bundle in dorsiventral leaves, it is directed towards the lower epidermis.

5. **Final Answer**:
- Therefore, the phloem in dorsiventral leaves is directed towards the lower epidermis.