Final answer:
Leaf rolling is not a symptom of lack of water for plants. Symptoms of lack of water in plants include rigidity of the stems and leaves, dull or bluish-green leaves, and wilting or limpness.
Step-by-step explanation:
Symptoms of Lack of Water in Plants
When a plant lacks water, it exhibits several symptoms. However, leaf rolling is NOT one of those symptoms. Leaf rolling is often a response by plants to conserve water in hot and dry conditions, so it is not indicative of a lack of water.
On the other hand, rigidity of the stems and leaves, dull or bluish-green leaves, and wilting or limpness are all commonly observed symptoms of a plant lacking water. When a plant doesn't receive enough water, its stems and leaves lose turgidity, resulting in rigidity. The leaves may also appear dull or bluish-green due to reduced photosynthesis. Finally, if the lack of water persists, the plant will eventually wilt and become limp.
Learn more about symptoms of lack of water in plants