(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.

Explanation

(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.