NCERT Class 6 Science — Chapter 1: Fibre to fabric

Consider the following statements regarding the cultivation of cotton: 1. Cotton plants are usually grown in places having black soil. 2. A cold climate is most suitable for the growth of cotton plants. 3. The seeds of the cotton plant are technically referred to as cotton bolls. Which of the statements given above is/are correct?

With reference to the processing of cotton, consider the following statements: 1. Ginning is the process of separating fibres from the seeds by combing. 2. Ginning can only be done by machines and not by hand. 3. The cotton bolls burst open after maturing to reveal seeds covered with fibres. Which of the statements given above is/are correct?

With reference to the harvesting and processing of Jute, consider the following statements: 1. The jute plant is normally harvested when it is at the flowering stage. 2. The stems of harvested plants are dried in the sun immediately to separate fibres. 3. The fibres are separated from the rotted stems exclusively by mechanical threshers. Which of the statements given above is/are correct?

Consider the following statements regarding the process of Spinning: 1. It is the process of making yarn from fibres. 2. During this process, fibres are simply glued together without any twisting. 3. Spinning of yarn on a large scale is done with the help of spinning machines. Which of the statements given above is/are correct?

With reference to devices used for spinning, consider the following statements: 1. A takli is a power-operated device used for spinning. 2. The charkha was popularised by Mahatma Gandhi to promote homespun cloth. 3. Spinning of yarn on a large scale is done with the help of spinning machines. Which of the statements given above is/are correct?