Question
Biology Question on Anatomy of Flowering Plants
Which of the following tissues has dead cells with thick and lignified cell walls, having a few or numerous pits?
A
Sderenchyma
B
Collenchyma
C
Phloem
D
None of these
Answer
Sderenchyma
Explanation
Solution
Sderenchyma is a simple supportive tissue of highly thick-walled cells with little or no protoplasm. Sderenchyma cells are generally dead, these cells are empty. Wall thickening is uniform which can be made up of cellulose, lignin or both. Pits are usually simple and oblique, they may be branched.