Question 15.2: 

What are natural and synthetic polymers? Give two examples of each type. 


Natural polymers are polymers that are found in nature. They are formed by plants and animals. Examples include protein, cellulose, starch, etc. Synthetic polymers are polymers made by human beings. Examples include plastic (polythene), synthetic fibers (nylon 6, 6), synthetic rubbers (Buna − S).