Structural Organisation In Animals Question 221
Question: Collenchyma differs from sclerenchyma [CPMT 1980]
Options:
A) Retaining protoplasm at maturity
B) Having thick walls
C) Having wide lumen
D) Being meristematic
Show Answer
Answer:
Correct Answer: A
Solution:
The cells of collenchyma contain protoplasm and are living without intercellular spaces.
When sclerenchyma consist of thick-walled dead cells.
In the beginning the cells are living and have protoplasm but due to deposition of impermeable secondary walls (lignin) they become dead, thick and hard.
BETA
