Question

Please answer the above question with suitable EXPLANATION.. ​

Answer 1

Answer:

option a

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Answer 2

Answer:

Hey Hello...!

Explanation:

Heart wood of most of the woody trees, fails to conduct sap due to the obstruction by tyloses. ...

When the plant is stressed by drought or infection, tyloses will fall from the sides of the cells and dam up the vascular tissue to prevent further damage to the plant.