Which one of the following is not natural polymer?

The correct answer is (c). Nylon is a synthetic polymer, while wool, leather, and silk are natural polymers.

• Wool is a natural fiber that is obtained from the fleece of sheep. It is a protein fiber that is made up of keratin, the same protein that makes up human hair and nails. Wool is a versatile fiber that can be used to make a variety of products, including clothing, blankets, and carpets.
• Leather is a natural material that is made from the skin of animals. It is a durable and versatile material that can be used to make a variety of products, including shoes, bags, and furniture.
• Silk is a natural fiber that is produced by silkworms. It is a strong and lustrous fiber that is used to make a variety of products, including clothing, scarves, and bed sheets.
• Nylon is a synthetic fiber that is made from petroleum. It is a strong and durable fiber that is used to make a variety of products, including clothing, carpets, and ropes.