Question

Commercial cork is obtained from________.

Answer 1

Cork:

1. The phellem layer of bark tissue is used to make cork.
2. It is an impermeable buoyant material that is largely extracted from the southwest European and northwest African tree species Quercus suber for commercial use.
3. Suberin, a hydrophobic substance, makes up cork.
4. The periderm layers of a Quercus suber plant are used to make commercial cork.

Final answer:

Commercial cork is obtained from Quercus suber.