Question

The bark of the trees contains a substance called which makes it waterproof

a)Lignin
b)Suberin
c)Cellulose
d) Pectin​

Answer 1

Answer:

B) Suberin

Explanation:

The dead cork cells are lined with Suberin, a fatty substance that makes them highly impermeable to gases and water. Gas exchange between the inner tissues of bark-covered roots and stems and their surroundings takes place through spongy areas (lenticels) in the cork

Answer 2

The bark of the trees contains a substance called Suberin which makes it waterproof.