Ques. Which of these is not natural fiber?
(a) cotton
(b) jute
(c) rayon
(d) silk
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Ques. Silk fiber are made up of:
(a) Vitamin
(b) Carbohydrates
(c) Protein
(d) Non of these
Ques. The natural fibres are made from simple molecule that is known as
(a) Plastics
(b) Cellulose
(c) Polymer
(d) Monomer
Ques. The major raw materials for rayon is obtained from
(a) wood
(b) coal
(c) petroleum
(d) both coal and petroleum
Ques. Acrylic is an artificial wool.
(a) true
(b) false
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Ques. Plastics are light, strong and durable
(a) true
(b) false
Ques. Which out of the following is used for making disposable cups?
(a) LDPE
(b) PS
(c) PP
(d) PVC
Ques. Which of the following is not a thermoplastic polymer?
(a) Nylon
(b) PVC
(c) Polythene
(d) Bakelite
Ques. Parachutes and ropes for rock climbing are made from ___
(a) jute
(b) nylon
(c) artificial silk
(d) terylene
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Ques. Which of the following plastics is used in the making of thermocol ?
(a) Polyethylene
(b) High density polyethylene
(c) Polypropylene
(d) Polystyrene
Ques. First fully synthetic fiber was ___
(a) polyester
(b) terylene
(c) nylon
(d) rayon
Ques. Which of the following products can’t be decomposed easily?
(a) Acrylic
(b) Polyethene
(c) Plastic
(d) All of the above
Ques. Which is an example of thermosetting plastics?
(a) Polystyrene
(b) Polythene
(c) Bakelite
(d) PVC
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Ques. Which one is natural fiber?
(a) Olefin
(b) Rayon
(c) Acrylic
(d) Wool
Ques. Which of the following materials takes the longest to degenerate?
(a) paper
(b) cotton cloth
(c) tin can
(d) plastic bags
Ques. Coating of melamine plastic is used as :
(a) good conductor of heat
(b) strong and durable
(c) fire proof plastic
(d) plastic cookware
Ques. Silk fiber is obtained from
(a) silk moth
(b) silk plant
(c) butterfly
(d) none of these
Ques. Which of the following is non-biodegradable:
(a) plastic
(b) cotton
(c) paper
(d) leftover food stuff
Ques. The raw materials used to prepare synthetic fibers like polyester and acrylic is:
(a) wood pulp
(b) coconut jute
(c) petrochemicals
(d) paper pulp
Ques. What is the main disadvantage of synthetic fiber?
(a) cause pollution
(b) are costly
(c) not durable
(d) are heavy
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Ques. Which type of cloth dries faster in the rainy season?
(a) Cotton
(b) Wool
(c) Polyester
(d) Silk
Ques. PVC is an example of:
(a) polyethene
(b) thermoplastic
(c) thermosetting plastic
(d) acrylic
Ques. Plastics find extensive use because:
(a) plastic is a polymer
(b) plastic has a linear arrangement of units
(c) it is easily mouldable
(d) it is synthetic
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Ques. Which synthetic fiber can be stronger than steel wire?
(a) Wire made of rayon
(b) Wire made of nylon
(c) Wire made of polywool
(d) Wire made of polycot
Ques. Nylon is useful because of the following properties:
(a) soft, strong and light
(b) transparent, light and easy to wash
(c) strong, elastic and light
(d) hard, inexpensive and strong
Ques. PET is a familiar form of:
(a) plastic
(b) polyester
(c) acrylic
(d) rayon
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Ques. Synthetic fibers are made by _____.
(a) trees
(b) insects
(c) human beings
(d) soil
Ques. Nylon is obtained from:
(a) Coal
(b) air
(c) Water
(d) all of the above
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Ques. Which of the following properties of plastic makes it most convenient to use?
(a) It is non-reactive
(b) Light, strong and durable
(c) Easily remouldable
(d) All of the above
