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
Sorter disease is caused by bacterium
  • A
    Plasmids
  • B
    Anthrax
    Correct
  • C
    Virbrio
  • D
    Bacillus
2
For obtaining silk
  • A
    Moths are reared and cocoons are collected
    Correct
  • B
    Cocoon are collected and boiled
  • C
    Cocoons are collected and sold
  • D
    Moths are reared and caterpillar is collected
3
Marwari breeds of sheep is found in
  • A
    Gujarat
    Correct
  • B
    Kashmir
  • C
    Rajasthan
  • D
    Bihar
4
The wood obtained from Patanwadi breed of sheep reared in Gujarat is used for making
  • A
    Hosiery
    Correct
  • B
    Sweaters
  • C
    Woollen shawls
  • D
    Carpet
5
Warp and Weft are
  • A
    Types of cloths obtained by weaving
  • B
    Part of power loom
  • C
    Two yarn used during weaving
    Correct
  • D
    Two categories of wool
6
Selecting the different size of scoured woollen fibre is called
  • A
    Grouping
  • B
    Segregating
  • C
    Sorting
    Correct
  • D
    Classifying
7
In hot humid conditions, which of the following fabrics will you choose for wearing?
  • A
    Wool
  • B
    Nylon
  • C
    Silk
    Correct
  • D
    Cotton
8
In hot humid conditions, which of the following fabrics will you choose for wearing?
  • A
    Cotton
  • B
    Silk
    Correct
  • C
    Nylon
  • D
    Wool
9
The hair of sheep is straitened, combed and rolled into
  • A
    Woollen cloths
  • B
    Ribbon
  • C
    Yarn
    Correct
  • D
    Carpets
10
Woollen clothes keep us warm because
  • A
    It is hot and warm
  • B
    It is bad conductor of heat
    Correct
  • C
    It is good conductor of heat
  • D
    It is thick
11
Female silk moth lays egg, which hatch out
  • A
    Hanks
  • B
    Caterpillar
    Correct
  • C
    Moths
  • D
    Pupa
12
The most common silk moth is
  • A
    Mugga silk moth
  • B
    Mulberry silk moth
    Correct
  • C
    Kossa silk moth
  • D
    Tassar silk moth
13
Air is poor conductor of heat that is used to
  • A
    Used in air conditioner
  • B
    Keep body warm by woollen clothes
    Correct
  • C
    Used to make air tight container
  • D
    Keep body cool by cotton clothes
14
The process of taking out silk from cocoon is called
  • A
    Curling of silk
  • B
    Reeling of silk
    Correct
  • C
    Rolling of silk
  • D
    Spinning of silk
15
The route through which traders and travellers uses to visit china is known as
  • A
    Traveller pass
  • B
    China pass
  • C
    Silk route
    Correct
  • D
    All of these