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At maturity the sieve plates become impr...

At maturity the sieve plates become impregnated with

A

Cellulose

B

Pectin

C

Suberin

D

Callose

Text Solution

Verified by Experts

The correct Answer is:
D
The mature sieve plate is surrounded by call use. The call use is soluble and disappears when the solute is dilute so that the solute can pass from one cell to another through poor.
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