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.