Anatomy Of Flowering Plants Question 27
Question: The cork of commerce comes from:
Options:
A) Quercus suber
B) Quercus incana
C) Quercus ithaburensis
D) All of the above
Show Answer
Answer:
Correct Answer: A
Solution:
[a] The cork of commerce is obtained from Quercus suber.
It is a layer of suberized and dead cells, cut off by a phellogen on the outside of the stem or root of a woody plant.
The layer is protective and impervious to gases and water vapour.