A polymeric substance used to make parachute is A. rayon B. viscose C. cotton D. terylene

rayon
viscose
cotton
terylene

The correct answer is D. terylene.

Terylene is a synthetic fiber made from terephthalic acid and ethylene glycol. It is a strong, durable fiber that is resistant to water and chemicals. It is also a good insulator, making it ideal for use in parachutes.

Rayon is a semi-synthetic fiber made from cellulose. It is a strong, absorbent fiber that is often used in clothing.

Viscose is a semi-synthetic fiber made from wood pulp. It is a soft, absorbent fiber that is often used in clothing.

Cotton is a natural fiber made from the cotton plant. It is a soft, absorbent fiber that is often used in clothing.

Terylene is the best choice for parachutes because it is strong, durable, and resistant to water and chemicals.