Question

Question 7
Plasmolysis in a plant cell is defined as

(a) break down (lysis) of the plasma membrane in hypotonic medium
(b) shrinkage of cytoplasm in a hypertonic medium
(c) shrinkage of nucleoplasm
(d) none of the above

Answer 1

(b) shrinkage of cytoplasm in a hypertonic medium

Shrinking of the protoplasm which comprises of the cytoplasm and the nucleus, away from the cell wall of a living plant cell due to an outward osmotic flow (loss) of water is called plasmolysis.