Question

which solution would most likely cause a plant placed in it to become firmer and more rigid?
hypertonic
hypotonic
isotonic
osmotic

Explanation:

In a hypotonic solution, water moves into the plant cells by osmosis. This causes the plant cells to swell and become turgid, making the plant firmer and more rigid. In hypertonic solutions, water moves out of the cells, causing plasmolysis and wilting. In isotonic solutions, there is no net movement of water, and osmotic is a general term related to the movement of water across a semi - permeable membrane, not a specific solution type for this context.

Answer:

B. hypotonic