Hardness of seed coats is due to the presence of
sclerenchyma fibres
stone cells
collenchyma
bast
Differentiate between cells of : (a) Parenchyma and collenchyma (b) Meristematic tissue and permanent tissue (c) Sclerenchyma and parenchyma (d) Cells of involuntary and voluntary muscle (e) Fibres of voluntary muscle and cardiac muscle.
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents
(a) collenchyma
(b) sclerenchyma
(c) xylem
(d) meristem