Materials attracted by a magnet are called
Magnetic materials
The explanation for the correct answer:
Option (a) Magnetic materials: The materials that are attracted to a magnet or can be magnetized easily are magnetic materials.
The explanation for the incorrect answer:
Plastic: These are organic polymers of high molecular mass and can be made artificially as well and do not posses any magnetic properties.
PVC, Nylon: These are synthetic fibers and are not attracted to magnet.
So, the correct answer is (a).