CBSE Questions for Class 7 Chemistry Fibre To Fabric Quiz 1 - MCQExams.com

State whether the statement is true or false:
Silk is the first artificial fibre synthesized by human beings.
  • True
  • False
Natural fibers are obtained from plants and animals whereas synthetic fibers are obtained by chemical processing of petrochemicals.
  • True
  • False
The silkworm is a________.
  • caterpillar
  • larva
  • both A and B
  • Neither A nor B
Fabric is made from:
  • filament
  • fibre
  • moisture
  • plastic
Silk fibre is obtained from the stem of a plant.
  • True
  • False
To obtain silk through rearing of silkworm is known as:
  • silviculture
  • hotriculture
  • agriculture
  • sericulture
Pashmina a type of wool is obtained from:
  • camel
  • goat
  • sheep
  • artificially
Synthetic fibres are also called artificial or human-made fibres.
  • True
  • False
Which of the following are fleece and wool-bearing animals?
  • Sheep and goat
  • Camel and Yak
  • Both A and B
  • none of them
Sericulture is a process of ______
  • rearing of silkworms to obtain silk
  • removing the fleece of sheep
  • removing of seed from cotton
  • None of these
State true or false.
People involved in the process of preparation of silk fibres do not suffer from skin and respiratory problems.
  • True
  • False
Group of animals which gives wool are:
  • Sheep, goat, camel and yak
  • Sheep, camel, lion and rabbit
  • Rabbit, silkworm, buffalow and cow
  • Goat, cat, sheep and camel
Which of the following is considered as animal fibre?
  • Alpaca fibre and mohair
  • Silk and fur
  • Alpaca and angora
  • All of them
Silk is a natural fibre, with continuous filaments which can stretch upto $$1\ km$$.
  • True
  • False
Silk and woolen clothes are often damaged by
  • Flies
  • Insects
  • Bacteria
  • Animals
The rearing of silkworms for obtaining silk is called as:
  • Pisciculture
  • Sericulture
  • Polyculture
  • Arboriculture
Silk is obtained from ________ of the silk moth.
  • pupa
  • larva
  • cocoon
  • caterpillar
The rearing of silk worms for obtaining silk is called:
  • Sericulture
  • Pisciculture
  • Polyculture
  • Monoculture
Bed sheets, curtain, tents, parachutes can be made from :
  • Natural fibre
  • Synthetic fibre
  • Rayon
  • None of these
Wool is obtained from _______ of sheep.
  • skin
  • toes
  • fleece
  • All of the above
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