Bakelite is thermosetting plastics which is obtained from Phenol + ____?

Select the pair of fibres obtained from the stem of a plant :

When hot water is placed into an empty water bottle, the bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?

Which one of the folowing is an example of melamine used for making floor tiles?

Consider the following: I. Cigarette butts II. Eyeglass lenses III. Car tyres. How many of them contain plastic?

Angora wool is extracted from