We can see plants on roadsides, gardens, even in offices or schools as indoor potted plants etc. Plants are the actual resources for existence of humans and all other living forms in the world. Their presence is inevitable for sustenance of life on the earth. Our earth is termed as green planet due to presence of plants. The importance of plants lies in that they contribute to almost all the phases of a living beings i.e. small or big, those on land or water, young or old survive on plants. Even growing plants in school, indoor, gardens & maintenance of plants in office is very advantageous.
1 . Food: Plants are the main source of food for survival of all the living organisms. Even in any food chain, the plants occupy the first position and lead the chain. For example Grass→ Cow→ Lion. Here the plant start the chain and other two animals live on it directly or indirectly.
2. Shelter: Plants are the important source of shelter. For humans they provide wood and other furniture for shelter. For birds, plants are the best places to build their nests. In forests, animals can take shelter under trees in heavy summer or rain.
3. Clothing: This is the provision of plants only required by humans. The plant material like cotton, jute etc contribute to manufacture yarn and there by clothing.
4. Reduce Gaseous pollution: In cities and towns, there is heavy gaseous pollution (CO2, CO, SO2 etc) due to automobiles and factories reducing the healthy oxygen ratio of air. Breathing that polluted gaseous air has severe health risks. So growing plants on the road side, parks etc. helps minimize this gaseous air pollution. Even growing plants in office residential areas or work areas the homes, offices, education institutes is advantageous to minimize this gaseous pollution. This can be done by using low maintenance house plants, indoor potted plants & indoor hanging plants.
5. Medicines: Plants form a wide source of medicine required for human health. These are very reliable due to their low propensity for side effects and also less toxicity on humans. Further they can be easily detoxified.