First slide

Secondary Growth

Question

Statement A: Heartwood provides mechanical support to the plant
Statement B: Heartwood is involved in conduction.

Easy

A

Statement A is incorrect and B is correct
B

Statement A is correct and B is incorrect
C

Both statements A and B are incorrect
D

Both statements A and B are correct

Solution

Heart wood is highly lignified tissue compared to any other tissue of the plant and provides mechanical support. It is useless for conduction because the lumen of its vessels is blocked by tyloses.

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