Synthetic Fibres and Plastics Worksheet-2
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Wood pulp is the source of artificial silk also known as
(a) Teflon (b) Nylon (c) Rayon (d) Terrycot
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Artificial (man made) wool is known by the name of
(a) Rayon (b) Acrylic (c) Polycot (d) none of these
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To which of the following 4R principle apply most i.e. reduce, reuse, recycle and recover
(a) Synthetic fibre (b) Natural fibre
(c) Metals (d) Plastic
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Bangladesh is the largest producer of jute in the world. Jute fibre is obtained from which part of the plant
(a) Leaves (b) Seeds (c) Roots (d) Stem
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Silk Fibres which is extracted from the silkworms, are what kind of macromolecules?
(a) Vitamin (b) Carbohydrates
(c) Protein (d) none of these
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Which of the following statement is TRUE?
(a) Nylon threads are stronger than a steel wire
(b) Rayon is a natural fibre made from wood pulp
(c) Cotton is not a polymer
(d) Fabric made from polyester can get wrinkles easily
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The Ministry of Environment and Forests, Government of India has recently made the use of Plastic Bags in different cities in India chargeable. Why care should be taken regarding the use and the disposal of the plastic bags?
(a) The transport is costly (b) It is non biodegradable in nature
(c) It is heat resistant (d) It is a conducting polymer
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A syntheric fibre appears as silk. It is strong and flexible. Non-availability of the fibre caused riots after world war-II. The synthetic fibre is
(a) Cotton (b) Nylon (c) Polyester (d) Rayon
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India and Egypt are one of the leading producers of cotton in the world. Cotton is used as a natural fibre from ages, and is a polymer of
(a) Cellulose (b) Amylopectin
(c) Glucose (d) Fructose
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The water absorbing capacity is different for different fibres, both natural and synthetic. What kind of fibres should you use in the rainy season, so that the cloth dries faster?
(a) Cotton (b) Wool (c) Polyetser (d) Silk
Answer Key:
(1)-(c); (2)-(b); (3)-(d); (4)-(d); (5)-(c); (6)-(a); (7)-(b); (8)-(b); (9)-(a); (10)-(c)
