Ans. Warm and humid climate is needed to grow jute.
Ans. Cotton fabrics can soak water and are coarse and rough. Thus they clean the floor very well.
Ans. i. by hands
ii. by machines.
Ans. A single yarn gets pulled out continuously as the fabric gets unraveled. This happen because they are made of knitted fabric.
Ans. Fibres are very thin and weak. We twist them together to make them strong, thick and long.
Ans. Natural fibres: cotton, silk, jute, linen, coir.
Synthetic fibres: nylon, polyester, acrylic.
Ans. Some of the cotton producing states are: Punjab, Gujarat, Maharashtra, Madhya Pradesh, and Karnataka.
Ans. Looms are the devices for weaving cloth. Looms are either hand operated i.e. handlooms or power operated i.e. power looms.
Ans. The cocoons are boiled in water to loosen the fibre and then spun into yarn which is woven to form silk fabric.
Ans. In summer we sweat a lot. Cotton clothes absorb sweat well and let it evaporate. Thus they keep our body cool.
Ans. Jute fibres are used for making gunny bags because they are strong and can holds heavy loads.
Ans.
Ginning |
Retting |
It is the process of removing cotton seeds from cotton fiber by combing them. |
It is the process of soaking the tied bundles of jute stalks in water for few days so that they rot and fibers are separated from them. |
Yarn |
Fabric |
Yarn is a strand made by twisting fibres together. |
Fabric is made by weaving or knitting the yarns. |
Fibre |
Fabric |
These are twisted together to make yarns. |
Yarns are weaved or knitted to make fabrics. |
Ans. Cotton seeds are removed from cotton balls to make an even and uniform fabric.
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