(a) False. Yarn is made by twisting fibres together.
(b) False. Fibres are made of cotton, jute, coconut, etc.
(c) False. Cotton is obtained from the cotton balls of the cotton plant. Cotton seeds inside the cotton balls are surrounded by cotton fibre.
(d) True
(e) False. The separation of cotton fibres from the seeds is known as ginning.
(f) True
(g) False. A takli is used for spinning.
(h) True
(i) True
(j) False. Nylon is a synthetic fibre.