Which of the following fibres is used for making parachutes?

Nylon

The correct answer is option 3. Nylon.

Nylon threads are strong, elastic and lightweight. Actually, a nylon rope outperforms a steel wire in strength. As a result, it is chosen while producing parachutes. Because of their strength, nylon fibers are also used to make harness straps, suspension lines, tents, sleeping bags, sails, rope, tennis strings, fishing poles and lines, etc.