9. Which of these fibres is obtained from plants: cotton, jute, silk, nylon?
both cotton and jute
(A) Cotton
Cotton fibres are natural plant fibres that are obtained from the fruit of cotton plants. The fruit of a cotton plant is known as cotton bolls.
(B) Jute
Jute is a plant fibre. It is obtained from the stems of the jute plant Corchorus.
(C) Nylon
Nylon is a man-made synthetic fibre that is synthesized with the help of chemicals in factories.
(D) Silk
Silk is a natural animal fibre that is obtained from the cocoon of the silkworm.
Therefore, the fibres that are obtained from plants are cotton and jute.
Hence, the correct answer is an option (B)