Question 1
Which of the following tissues has dead cells?
(a) Parenchyma
(b) Sclerenchyma
(c) Collenchyma
(d) Epithelial tissue
(b) Sclerenchyma
The cell wall in sclerenchyma is highly thickened all around. The cells are dead and intercellular spaces are absent. They are generally found in the parts of plants that have stopped growing.