1. If you sprinkle some common salt on grass growing on a lawn, it is killed at that spot.

2. If you uproot a plant from the soil, its leaves soon wilt.

3. It is better to transplant seedlings in a flower-bed in the evening and not in the morning.

4. A plant cell when kept in a hypertonic salt solution for about 30 minutes turns flaccid.

5. Potato cubes when placed in water become firm and increase in size.

1. Sprinkling some salt on the grass that grows on the lawn causes Plasmolysis of the grass cell to eventually lead to death. Therefore, after sprinkling some salt on the grass that grows on the lawn, it is killed right there.

2. This is because the moisture in the leaf cells keeps the leaf straight and stretched. When the plant is uprooted, the leaves continue to lose water by breathing, but there is no chance of water absorption by the roots. This does not allow compensation for water loss through transpiration; therefore the leaves of the broken plant will soon wither.

3. It is best to plant the seedlings in a flower bed in the evening and not in the morning. Because in the morning the heat is high which leads to high transpiration rate but the newly planted plant needs some time to get used to the surrounding environment thus leading to low root pressure and thus lead to leaf rot and eventually die due to excessive breathing.

4. When a living cell, like the leaf of an aquatic plant, is immersed in fresh water, it remains in a state of complete disintegration. Its plasma membrane stays close to the cell wall and presses it down like a rubber ball presses a leather case. If this plant cell is now kept in a hypertonic solution for 30 minutes, it will lose its negative appearance, the cytoplasm will shrink and the plasma membrane will withdraw from the cell wall called plasmolysis and the cells in this condition are said to be lame or flaccid.

5. Potato tubes when immersed in water are firmer and larger in size because the cubes contain more salt and sugar compared to the water in which they are placed. Therefore, as a result of endosmosis, water from surrounding areas enters the potato cubes to make them stronger and increase their size.