Question 1 Which of the following tissues has dead cells? (a) Parenchyma (b) Sclerenchyma (c) Collenchyma (d) Epithelial tissue
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.
Question 25 A long tree has several branches. The tissue that helps in the sideways conduction of water in the branches is (a) collenchyma (b) xylem parenchyma (c) parenchyma (d) xylem vessels
Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is
(a) xylem
(b) sclerenchyma
(c) collenchyma
(d) epidermis