Question

Cork is also known as

• A. Phellem
• B. Phellogen
• C. Phelloderm
• D. Secondary cortex.

Answer 1

The correct option is A

Phellem

The correct option is A.

Explanation for correct option:

1. Cork is the outermost covering of old stems or trees.
2. It is produced from epidermal cells.
3. It is also known as phellem.

Explanation for incorrect options:

Option B:

Phellogen is the name given to cork cambium, that gives rise to secondary meristem.

Option C:

Phelloderm is the collective name of thin-walled cells produced by cork cambium inner cells.

Option D:

The secondary cortex is another name for phelloderm tissue.

Final answer: Cork is also known as phellem.