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.