OBJECTIVE FORESTRY

FORESTRY

PLANT AND WOOD ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Sclereids posses
A
Tapering ends
B
Highly thickened walls
C
Hemicellulosic wall
D
Broad lumen
Explanation: 

Detailed explanation-1: -The cell wall of sclerenchymatous fibres and sclereids are thickened by lignin. Mature sclerenchyma cells are generally dead cells that have heavily thickened secondary walls composed of high content of lignin. Sclerenchyma cells are in many different shapes and sizes.

Detailed explanation-2: -Sclerenchyma is a simple permanent tissue with thick secondary lignified cell walls.

Detailed explanation-3: -A tissue whose cells have very thick cell wall is sclerenchyma. The cells wall is rigid and lignified.

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