Rayon, Nylon and polyesters are examples of ____________ .
(a) Plant Fibres
(b) Animal Fibres
(c) Natural Fibres
(d) Synthetic Fibres

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Detailed Solution

The correct answer is (d) Synthetic Fibres.

Explanation

Synthetic fibres are man-made fibres created through chemical processes, often using petroleum-based chemicals as raw materials. Unlike natural fibres, they are not found in nature.

Rayon is sometimes called a "semi-synthetic" fibre because its raw material is natural (wood pulp), but it undergoes extensive chemical processing to be turned into a fibre.
Nylon is a fully synthetic fibre, developed as a substitute for silk. It's known for its strength and elasticity.
Polyester is another common fully synthetic fibre, valued for its durability, resistance to wrinkles, and quick-drying properties.

The other options are incorrect because:

(a) Plant Fibres and (b) Animal Fibres are both types of (c) Natural Fibres, which are obtained directly from plants (like cotton) or animals (like wool) with minimal processing.

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