Question : (a) Identify figures A and B (b) Which has living cells and which has dead cells ? (c) which one is impermeable and does not allow substance to pass through it (d) What is common between A and B.

Question : (a) Identify figures A and B (b) Which has living cells and

1.	Question : (a) Identify figures A and B (b) Which has living cells and which has dead cells ? (c) which one is impermeable and does not allow substance to pass through it (d) What is common between A and B.
Answer» Solution :(a) Figure A is surface view of EPIDERMIS showing stomata and epidermal cells Figure B shows protective tissue consisting of cork cells . (b) A has living cells and B AHS DEAD cells. (c) B is impermeable to GASES and water due to presence of suberin in their cell walls. (d) Both are protective covering.