A) Periderm
B) Heartwood
C) Sapwood
D) Secondary cortex
Correct Answer: B
Solution :
Tyioses are found in heartwood. Sometime the xylem parenchyma develops balloon like structure to which penetrates into the adjacent xylem. Vessels which are called tyioses which blocks the lumen of the xylem.You need to login to perform this action.
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