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.