Structural Organisation In Animals Question 261

Question: The abscission layer is covered by a leaf scar which is composed of [AIIMS 1992]

Options:

A) Pectose and cellulose

B) Suberin

C) Pectin

D) Cutin

Show Answer

Answer:

Correct Answer: B

Solution:

After actual falling of leaf, the scar is exposed to air, which develops a primary protective layer by deposition of lignin and suberin on their wall.