Fiber to Fabric For Class 7 Science MCQ Questions

Q 1 – Which one of the following is not a breed of sheep?
(a) Murrah
(b) Marwari
(c) Lohi
(d) Nali

Ans. (a) Murrah

Q 2 – What is the scientific name of mulberry tree?
(a) Magnifera indica
(b) Morus alba
(c) Desmodium girence
(d) None of these

Ans. (b) Morus alba

Q 3 – Silk is derived from
(a) cocoon
(b) pupa
(c) egg
(d) moth

Ans. (a) cocoon

Q 4 – Selective breeding is a process of
(a) selecting the offspring with desired properties.
(b) selecting the parents with desired properties.
(c) selecting an area for breeding.
(d) selecting fine hair for good quality wool.

Ans. (b) selecting the parents with desired properties.

Q 5 – The general process that takes place at a sheep shearing shed is:
(a) removal of fleece.
(b) separating hair of different textures.
(c) washing of sheep fibre to remove grease.
(d) rolling of sheep fibre into yam.

Ans. (a) removal of fleece.

Q 6 – The rearing of silkworms for obtaining silk is called:
(a) cocoon
(b) silk
(c) sericulture
(d) silviculture

Ans. (c) sericulture

Q 7 – Which of the following is not a type of silk?
(a) Mulberry silk
(b) Tassar silk
(c) Mooga silk
(d) Moth silk

Ans. (d) Moth silk

Q 8 – Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Which of the following would be the right gift for her to buy?
(a) Woollen shawl
(b) Silk scarf
(c) Animal fur cap
(d) Leather jacket

Ans. (a) Woollen shawl

Q 9 – Silk fibre is obtained from:
(a) fleece of sheep
(b) cotton ball
(c) cocoon
(d) shiny jute stalk

Ans. (c) cocoon

Q 10 – Wool fibre cannot be obtained from which of the following?
(a) Goat
(b) Llama
(c) Alpaca
(d) Moth

Ans. (d) Moth

Q 11 – Fibre is obtained from
(a) animals Silk is obtained from
(b) plants
(c) both(a) and (b)
(d) none of these

Ans. (c) both(a) and (b)

Q 12 – Silk is obtained from
(a) Llama
(b) yak
(c) sheep
(d) cocoon

Ans. (d) cocoon

Q 13 – Which one of the following is a wool-yielding animal?
(a) Sheep
(b) Angora goat
(c) Camel
(d) All of these

Ans. (d) All of these

Q 14 – Which of the following is not a wool-yielding animal?
(a) Goat
(b) Yak
(c) Sheep
(d) None of these

Ans. (d) None of these

Q 15 – Yak wool is common in
(a) india
(b) america
(c) tibet
(d) china

Ans. (c) Tibet

Q 16 – Which of the following wool-yielding animal is suitable for making Pashmina shawls?
(a) Kashmiri goat
(b) Angora goat
(c) Llama
(d) Alpaca

Ans. (a) Kashmiri goat

Q 17 – Sheep are
(a) herbivores
(b) omnivores
(c) carnivores
(d) parasite

Ans.  (a) herbivores

Q 18 – Which of following breeds of Indian sheep is suitable for hosiery?
(a) Patanwadi
(b) Marwari
(c) Nali
(d) None of these

Ans. (a) Patanwadi

Q 19 – Which of the following fibres are made into wool for sweaters?
(a) Shorter fibres
(b) Longer fibres
(c) Both (a) and (b)
(d) None of these

Ans.  (b) Longer fibres

Q 20 – Which of the following article obtained from animal do not kill the animal?
(a) Leather jacket
(b) Silk saree
(c) Woollen shawl
(d) Ivory bangles

Ans. (c) Woollen shawl

Q 21 – Which of the following is not a type of silk?
(a) Tassar silk
(b) Moth silk
(c) Mooga silk
(d) Mulberry silk

Ans.  (b) Moth silk

Q 23 – The caterpillars of silkworms feed on
(a) peepal leaves
(b) grass
(c) rose leaves
(d) mulberry leaves

Ans. (d) mulberry leaves

Q 24 – Silk yarn is obtained from
(a) caterpillar
(b) cocoon
(c) pupa
(d) none of these

Ans. (b) cocoon

Q 25 – Silkworms secrete fibre made of
(a) fat
(b) cellulose
(c) protein
(d) starch

Ans. (c) protein

Q 26 – Silk is obtained from silk worm which lives on
(a) mango leaves
(b) banana leaves
(c) mulberry leaves
(d) maple leaves

Ans. (c) mulberry leaves

Q 27 – Which type of wool is common in Ladakh and Tibet?
(a) Yak wool
(b) Sheep wool
(c) Angora wool
(d) Pashmina wool

Ans. (a) Yak wool

Q 28 – Pashmina shawl is found in
(a) Gujarat
(b) Kashmir
(c) Rajasthan
(d) South America

Ans. (b) Kashmir

Q 29 – Animal fibre is made up of
(a) cellulose
(b) protein
(c) nylon
(d) rayon

Ans. (b) protein

Q 30 – Which of the following processes is not a part of wool extraction.
(a) Shearing
(b) Scouring
(c) Sorting
(d) Reeling

Ans. (d) Reeling

Q 31 – Removal of wool from a sheep is known as
(a) rearing
(b) shearing
(c) sorting
(d) scouring

Ans. (b) shearing

Q 32 – Sericulture is
(a) rearing of silk worms
(b) rearing of sheep
(c) rearing of honeybees
(d) cotton plantation

Ans. (a) rearing of silk worms

Q 33 – The fleece is combed to remove
(a) burrs
(b) dust
(c) low quality hairs
(d) none of these

Ans. (a) burrs

Q 34 – The fibre obtained from cocoon of silk worm is
(a) cotton
(b) jute
(c) silk
(d) nylon

Ans. (c) silk

Q 36 – Which of the following not a natural fibre?
(a) Silk
(b) Cotton
(c) Polyester
(d) Wool

Ans. (c) Polyester

Q 37 – For how long do the caterpillars eat mulberry leaves?
(a) 10 to 15 days
(b) 20 to 25 days
(c) 25 to 30 days
(d) 5 to 10 days

Ans. (c) 25 to 30 days

Q 38 – Reeling of silk is
(a) a process of making silk reels
(b) spinning of silk fibres
(c) weaving of silk cloth
(d) the process of taking silk thread from cocoon

Ans. (d) the process of taking silk thread from cocoon