Which one of the following pair is NOT correctly matched ?

Detailed Solution:

The correct answer is “Rayon – Modified starch”.

Rayon is made from cellulose, which is obtained from wood pulp or cotton linters. It is a semi-synthetic fiber.

Neoprene - a type of synthetic rubber used in a variety of products including wetsuits, laptop sleeves, and electrical insulation.

Aspartame - a synthetic sweetener used in many low-calorie and sugar-free foods and drinks.

Oxytocin - a hormone that plays a role in social bonding, sexual reproduction, and childbirth.