Removal of bark is generally practiced to kill a tree . The tree actually does not survives after removal of bark because

Options

A. Secondary cortex is also removed
B. Secondary phloem is also removed
C. Phellogen layer is also removed
D. The tissues become exposed and tree dies due to parasitic attacks

Answer

**Step-by-Step Solution:**

1. **Understanding Bark and Its Components**:
- Bark is the outer protective layer of a tree and consists of several layers, including the secondary phloem and the cork. The secondary phloem is crucial for the transport of nutrients (food) produced by the leaves to other parts of the tree.

2. **Role of Secondary Phloem**:
- The secondary phloem is responsible for the conduction of organic nutrients, particularly sugars, from the leaves to the rest of the tree. This process is vital for the tree's growth and survival.

3. **Consequences of Bark Removal**:
- When the bark is removed from a tree, all the tissues located outside the vascular cambium, including the secondary phloem, are also removed. This disrupts the tree's ability to transport nutrients effectively.

4. **Impact on Tree Survival**:
- Without the secondary phloem, the tree cannot transport the necessary nutrients to sustain its growth and metabolic functions. As a result, the tree will eventually die due to starvation of essential nutrients.

5. **Conclusion**:
- Therefore, the primary reason a tree does not survive after the removal of its bark is that the secondary phloem, which is crucial for nutrient conduction, is also removed. This leads to the tree's inability to sustain itself.

**Final Answer**: The tree actually does not survive after removal of bark because secondary phloem is also removed.

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