A) Phloem cells
B) Ray parenchyma only
C) Collenchyma
D) Ray parenchyma and xylem cells
Correct Answer: D
Solution :
A bladder like structure are formed during the secondary growth and blocks the continuity of the conducting system. It is known as tyloses which found in xylem cells and ray parenchyma.You need to login to perform this action.
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