Write a note on economic importance of algae and gymnosperms.
Economic significance of algae Algae have various monetary uses. They carry out 1/2 of of the entire carbon dioxide-fixation on the earth through photosynthesis, appearing because the number one manufacturers in aquatic habitats.(a) Food source: Many species of marine algae which include Porphyra, Sargassum, and Laminaria are edible. Chlorella andSpirulina are wealthy in proteins. Thus, they're used as meals supplements. (b) Commercial significance: Agar is used withinside the training of jellies and ice-cream. It is received from Gelidium andGracilaria. Carrageenin is used as an emulsifier in chocolates, paints, and toothpastes. It is received from the pink algae. (c) Medicines: Many purple algae inclusive of Corallina are utilized in treating computer virus infections. Economic significance of gymnosperms (a) Construction purposes: Many conifers including pine, cedar, etc., are reassets of the tender wooden utilized in production and packing. (b) Medicinal uses: An anticancer drug Taxol is received from Taxus. Many species of Ephedra produce ephedrine, which may be used withinside the remedy of bronchial allergies and bronchitis. (c) Food source: The seeds of Pinus gerardiana (called chilgoza) are edible. (d) Source of resins: Resins are used commercially for production sealing waxes and water-evidence paints. A type of resin called turpentine is received from diverse species of Pinus.
