Question

Which of the following statements are not correct?
I. Cork cambium is otherwise called phellogen.
II. Cork is otherwise called phellem.
III. Secondary cortex is otherwise called periderm.
IV. Cork cambium, cork and secondary cortex are collectively called phelloderm.
Select the correct answer using the codes given below:

• A. III and IV
• B. I and II
  
• C. II and III
  
• D. II and IV
  

Answer 1

The correct option is A

III and IV

Cork cambium is also called phellogen. Cork is also called phellem. Secondary cortex is also called phelloderm.
Cork cambium, cork and secondary cortex are collectively called periderm or secondary ground tissue.