Here we are providing Class 7 Science Objective Chapter – 3 Fibre to Fabric its very important for Class 6 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 7 Science Objective Chapter – 3 Fibre to Fabric is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class Class 7 Science Objective Chapter – 3 Fibre to Fabric 100+ questions so that students practice more and more. If you want class wise Notes Then Click Here
Class 7 Science Objective Chapter – 3 Fibre to Fabric
1.Fibre is obtained from
( A ) animals Silk is obtained from
( B ) plants
( C ) both( A ) and (b)
( D ) none of these
Ans – ( C )
2. Silk is derived from
( A ) cocoon
( B ) pupa
( C ) egg
( D ) moth
Ans – ( C )
3. The process of taking out threads from the cocoon for use as silk is called:
( A ) reeling the silk
( B ) reeling silk worms
( C ) both of them
( D ) none of these
Ans – ( A )
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 )
5. Silk is obtained from
( A ) Llama
( B ) yak
( C ) sheep
( D ) cocoon
Ans – ( D )
6. For obtaining silk, mothe are reared and their cocoons are collected to get:
( A ) silk threads
( B ) silkworms
( C ) both silk threads and silk worms
( D ) none of these
Ans – ( A )
7. 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 )
8. Which one of the following is a wool-yielding animal?
( A ) Sheep
( B ) Angora goat
( C ) Camel
( D ) All of these
Ans – ( D )
9. ……………..GREAT COUNTRY
( A ) China
( B ) India
( C ) Japan
( D ) Korea
Ans – ( A )
10. The rearing of silkworms for obtaining silk is called:
( A ) cocoon
( B ) silk
( C ) sericulture
( D ) silviculture
Ans – ( C )
11. Which of the following is not a wool-yielding animal?
( A ) Goat
( B ) Yak
( C ) Sheep
( D ) None of these
Ans – ( D )
12. They eat day and night and increase enormously in size are named as:
( A ) caterpillars
( B ) honey bee
( C ) butterfly
( D ) none of these
Ans – ( A )
13. Which of the following is not a type of silk?
( A ) Mulberry silk
( B ) Tassar silk
( C ) Mooga silk
( D ) Moth silk
Ans – ( D )
14. Yak wool is common in
( A ) india
( B ) america
( C ) tibet
( D ) china
Ans – ( C )
15. Mostly sheep are reared for getting wool in:
( A ) China
( B ) India
( C ) Japan
( D ) Europe
Ans – ( A )
16. 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 )
17. 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 )
18.Silk worms are made of:
( A ) protein
( B ) vitamins
( C ) minerals
( D ) all of these
Ans – ( A )
19. Woollen fibres are obtained from which of the following things?
( A ) Wool worms.
( B ) Carbon compounds.
( C ) Fleece of sheep.
( D ) Cotton plants.
Ans – ( C )
20.Sheep are
( A ) herbivores
( B ) omnivores
( C ) carnivores
( D ) parasite
Ans – ( A )
21.Scientific name of mulberry is:
( A ) legumes
( B ) morus alba
( C ) spirogyra
( D ) none of these
Ans – ( A )
22.Which of following breeds of Indian sheep is suitable for hosiery?
( A ) Patanwadi
( B ) Marwari
( C ) Nali
( D ) None of these
Ans – ( A )
23.Cocoon is used for :
( A ) reeling the silk
( B ) scouring the silk
( C ) both ( A ) and (b)
( D ) none of these
Ans – ( A )
24.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 )
25.Which are the two terms related to silk production ?
( A ) Sericulture, Floriculture
( B ) Floriculture, Moriculture
( C ) Moriculture, Siluiculture
( D ) Moriculture, Sericulture
Ans – ( A )
26.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 )
27.Wool and silk fibres are obtained from:
( A ) plants
( B ) animals
( C ) plants and animals
( D ) all of these
Ans – ( A )
28.Which of the following is not a type of silk?
( A ) Tassar silk
( B ) Moth silk
( C ) Mooga silk
( D ) Mulberry silk
Ans – ( B )
29.Wool is obtained from the fleece of:
( A ) cow
( B ) camel
( C ) sheep or yak
( D ) all of these
Ans – ( A )
30.The caterpillars of silkworms feed on
( A ) peepal leaves
( B ) grass
( C ) rose leaves
( D ) mulberry leaves
Ans – ( D )
31.Silk fibres comes from cocoons of:
( A ) silk moth
( B ) caterpillar
( C ) honey bee
( D ) butterfly
Ans – ( A )
32.Silk yarn is obtained from
( A ) caterpillar
( B ) cocoon
( C ) pupa
( D ) none of these
Ans – ( B )
33.Which of the following does not yield wool ?
( A ) Yak
( B ) Woolly dog
( C ) Goat
( D ) Camel
Ans – ( A )
34.Silkworms secrete fibre made of
( A ) fat
( B ) cellulose
( C ) protein
( D ) starch
Ans – ( C )
35.Which part of the black sheep have wool ?
( A ) Legs
( B ) Face
( C ) Abdomen and back
( D ) All of these
Ans – ( A )
36.Silk is obtained from silk worm which lives on
( A ) mango leaves
( B ) banana leaves
( C ) mulberry leaves
( D ) maple leaves
Ans – ( C )
37.Yak wool is common in:
( A ) Tibet and Ladakh
( B ) Jammu and Kashmir
( C ) Ladakh
( D ) None of these
Ans – ( A )
38.Which type of wool is common in Ladakh and Tibet?
( A ) Yak wool
( B ) Sheep wool
( C ) Angora wool
( D ) Pashmina wool
Ans – ( A )
39.Angora wool is obtained from:
( A ) Camel
( B ) Goat
( C ) Angora goat
( D ) Yak
Ans – ( A )
40.Pashmina shawl is found in
( A ) Gujarat
( B ) Kashmir
( C ) Rajasthan
( D ) South America
Ans – ( B )
41.The goat fur is woven into fine shawls called:
( A ) Kashmiri shawls
( B ) Ludhiana shawls
( C ) Pashmina shawls
( D ) None of these
Ans – ( A )
42.Animal fibre is made up of
( A ) cellulose
( B ) protein
( C ) nylon
( D ) rayon
Ans – ( B )
43. Llama and Alpaca found in:
( A ) Africa
( B ) South America
( C ) Africa and South America
( D ) None of these
Ans – ( A )
44. Which of the following processes is not a part of wool extraction.
( A ) Shearing
( B ) Scouring
( C ) Sorting
( D ) Reeling
Ans – ( D )
45. The bringing up and looking after the sheep is called:
( A ) rearing
( B ) shearing
( C ) scouring
( D ) all of these
Ans – ( A )
46. Removal of wool from a sheep is known as
( A ) rearing
( B ) shearing
( C ) sorting
( D ) scouring
Ans – ( B )
47.The fleece of the sheep along with a thin layer of skin is removed from its body is called:
( A ) scouring
( B ) hand
( C ) shearing
( D ) all of these
Ans – ( A )
48. Sericulture is
( A ) rearing of silk worms
( B ) rearing of sheep
( C ) rearing of honeybees
( D ) cotton plantation
Ans – ( A )
49. Nowadays scouring is done by:
( A ) machine
( B ) hand
( C ) both machine and hand
( D ) none of these
Ans – ( A )
50. The fleece is combed to remove
( A ) burrs
( B ) dust
( C ) low quality hairs
( D ) none of these
Ans – ( A )
51. The rearing of silkworms for obtaining silk is called:
( A ) moriculture
( B ) apiculture
( C ) sericulture
( D ) silviculture
Ans – ( A )
52. The fibre obtained from cocoon of silk worm is
( A ) cotton
( B ) jute
( C ) silk
( D ) nylon
Ans – ( C )
53. Which bacterium causes a fatal blood disease ?
( A ) Rhizobium
( B ) Anthrax
( C ) Both rhizobium and anthox
( D ) None of these
Ans – ( A )
54. Which of the following not a natural fibre?
( A ) Silk
( B ) Cotton
( C ) Polyester
( D ) Wool
Ans – ( C )
55. The disease caused by anthrax is:
( A ) Tuberculosis
( B ) Sorter’s disease
( C ) Hepatitis-A
( D ) None of these
Ans – ( A )
56. 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 )
57. Which one of the following is not a breed of sheep?
( A ) Murrah
( B ) Marwari
( C ) Lohi
( D ) Nali
Ans – ( A )
58. 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 )
59. What is the scientific name of mulberry tree?
( A ) Magnifera indica
( B ) Morus alba
( C ) Desmodium girence
( D ) None of these
Ans – ( B )
