The layer that makes the Casparian strip waterproof is made of
A) meristem.
B) cuticle.
C) suberin and lignin.
D) plasmodesmata.
E) cork.

Question

Quizplus · Accepted Answer

The Casparian strip is a band of suberin and lignin that makes the endodermis layer of roots waterproof, preventing water and substances from entering or leaving the plant without passing through a selective transport mechanism.

The Layer That Makes the Casparian Strip Waterproof Is Made