Advertisements
Advertisements
प्रश्न
Give one basic functional difference between phellogen and phelloderm.
उत्तर
Phellogen is a couple of layers thick. It is made of narrow, thin-walled and nearly rectangular cells. Phellogen cuts off cells on both sides.
Phelloderm is the outer cells differentiate into cork or phellem while the inner cells differentiate into secondary cortex or phelloderm.
APPEARS IN
संबंधित प्रश्न
Cork cambium forms tissues that form the cork. Do you agree with this statement? Explain.
What is periderm? How does periderm formation take place in dicot stem?
Cork cambium cuts off cells on the inner side to form ______ and on the outer side to form ______.
Cork cambium gives rise to
Match List - I with List - II.
List - I | List - II | ||
(a) | Lenticels | (i) | Phellogen |
(b) | Cork cambium | (ii) | Suberin deposition |
(c) | Secondary cortex | (iii) | Exchange of gases |
(d) | Cork | (iv) | Phelloderm |
Choose the correct answer from the options given below.
Phellogen and Phellem respectively denote ______.
When we peel the skin of a potato tuber, we remove ______.
Arrange the following in the sequence you would find them in a plant starting from the periphery – phellem, phellogen, phelloderm.
What is the commercial source of cork? How is it formed in the plant?
What is the difference between lenticels and stomata?