Structural Organisation In Animals Question 239
Question: Leaves fall from the branches on account of [DPMT 1991]
Options:
A) Completing their duration of life
B) Formation of abscission layer external to cork
C) Shortening of day time
D) Fall in atmospheric temperature
Show Answer
Answer:
Correct Answer: B
Solution:
Abscission is a special layer of parenchymatous cells appear at the base.
A protective layer of suberised thick walled cork cells is formed below the abscission layer to prevent infection.