Class 7 Fibre To Fabric CBSE Questions & Answers

Class 7 · Fibre To Fabric

This is Science Class 7 Fibre to Fabric CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
What do you mean by shearing?
  • A
    Process of removing hair form the body of animals
    Correct
  • B
    Process of sharing things
  • C
    Process of making woollen fabrics from fibre
  • D
    Making bundle of woollen fabrics
2
Silk is better than cotton because
  • A
    It can be washed easily
  • B
    It is easily available
  • C
    It is cheap and durable
  • D
    It can be used in summer and winter both
    Correct
3
Soft under fur of Kashmiri goat is used to woven shawls called
  • A
    Kashmiri shawls
  • B
    Bombay shawls
  • C
    Pashmina shawls
    Correct
  • D
    Oswald shawls
4
Sheep body is covered with thick layer of hair because
  • A
    Hairs look beautiful
  • B
    Hairs help in movement
  • C
    Hairs keep them cool during summer
  • D
    Hairs traps air and keep them warm
    Correct
5
Woollen yarn are used to
  • A
    Make shawls
  • B
    Make quilt
  • C
    Knit sweater
    Correct
  • D
    Make clothes
6
The disease associated with works a person perform is called
  • A
    Cardiac disease
  • B
    Occupational disease
    Correct
  • C
    Occupational disorder
  • D
    Job seek
7
Sheep are reared for
  • A
    All of these
  • B
    Meat and clothes
  • C
    Wool and milk
    Correct
  • D
    Meat and milk
8
Wool: Sheep:: Silk : ?
  • A
    Pupa
  • B
    Butterfly
  • C
    Silk moth
    Correct
  • D
    Caterpillar
9
Sheeps of better verities are obtained by
  • A
    Mass selection
  • B
    Importing from other countries
  • C
    Selective breeding
    Correct
  • D
    Hybridisation
10
Shearing of sheep is done in
  • A
    Rainy season
  • B
    Cold weather
  • C
    Hot weather
    Correct
  • D
    Moist weather
11
Which breed of sheep produce good quality wool?
  • A
    Nail
  • B
    Lohi
    Correct
  • C
    Rampur buhair
  • D
    Marwari
12
Sorter’s job is risky because he may get
  • A
    Fatal blood disease
    Correct
  • B
    Skin disease
  • C
    Hair disease
  • D
    Heart disease
13
Male silk moth is
  • A
    Equal in female moth
  • B
    Smaller than female moth
    Correct
  • C
    Some time smaller, some time larger than female moth
  • D
    Larger than female moth
14
Scientific name of mulberry silk moth is
  • A
    Bombyx biti
  • B
    Bombyx mori
    Correct
  • C
    Bombyx lurra
  • D
    Bombyx silki
15
Cellulose: cotton:: protein : ?
  • A
    Tricot
  • B
    Silk
    Correct
  • C
    Jute
  • D
    Nylon