Anatomy Of Flowering Plants Question 33
Question: Periderm is formed from:
Options:
A) Vascular cambium
B) Phellogen
C) Fascicular cambium
D) Interfascicular cambium
Show Answer
Answer:
Correct Answer: B
Solution:
A. Vascular cambium – produce secondary vascular tissues and ray parenchyma.
B. Phellogen – a ring of cambium formed in the cortex of dicot stem, by the dedifferentiation of parenchyma is called Phellogen. It is involved in the formation of periderm.
C. Fascicular cambium – a strip of cambium present between the xylem and phloem of a vascular bundle is called fascicular cambium. It involves in the secondary growth.
D. Intrafascicular cambium - a strip of cambium present between the xylem and phloem of a vascular bundle is called fascicular cambium. It involves in the secondary growth.
So, the correct option is ‘phellogen’.
BETA
