Fibre To Fabric(6th Grade > Chemistry ) Questions and answers for exam Preparation

6th Grade > Chemistry

FIBRE TO FABRIC MCQs

Total Questions : 72 | Page 3 of 8 pages

Question 21. In knitting ________ set(s) of yarn is used to make a piece of fabric whereas in weaving ______ set(s) of yarn are arranged together to make a fabric.

two, three
three, one
one, one
one, two

Discuss Question

Answer: Option D. -> one, two
:
D
Weaving and knitting are two ways by which fabrics are made from yarns.

In Knitting ________ Set(s) Of Yarn Is Used To Make A Piece ...

Question 22. Fibres are converted into yarns which then make up a fabric.

True
False
To protect us from cold
To prevent diseases

Discuss Question

Answer: Option A. -> True
:
A
Yarn is a long continuous thread made from fibres by the process of spinning. It is further knitted, woven or sewed to obtain different fabrics.

Fibres Are Converted Into Yarns Which Then Make Up A Fabric....

Question 23. Takli is used for ________.

ginning
weaving
spinning
knitting

Discuss Question

Answer: Option C. -> spinning
:
C
Takli is a simple device (a hand spindle), used for spinning. Spinning is the process of making yarn from fibre.

Question 24. What is not the primary use of wearing clothes?

To protect us from heat
To protect us from rain
To protect us from cold
To prevent diseases

Discuss Question

Answer: Option D. -> To prevent diseases
:
D
Clothes protect us from heat, cold and rain. Hence, we need to wear clothes to protect and save ourselves from the natural elements.
Diseases are caused by disease causing microorganisms, which can enter our body and cause illness, even if we wear clothes.

Question 25. The process of removing seeds from cotton is called ginning.

True
False
one, one
one, two

Discuss Question

Answer: Option A. -> True
:
A
After maturing, the cotton bolls burst open and the seeds covered with cotton fibres can be seen. The process of removing seeds from cotton is called ginning.

The Process Of Removing Seeds From Cotton Is Called Ginning....

Question 26. The first step in the process of turning cotton fibre to yarn is called:

ginning
spinning
weaving
dyeing

Discuss Question

Answer: Option A. -> ginning
:
A
Cotton fibres are obtained from cotton balls. This process is called ginning. These cotton fibres are then drawn out into threads and yarns are made. This process is called spinning.Sets of yarns are arranged together to make a fabric by the process of weaving. The woven fibres are then added colours or pigments by the process of dyeing.

Question 27. What is the basic difference between wool and cotton fibres?

Wool is an animal fibre, whereas, cotton is a plant fibre.
Wool is a plant fibre, whereas, cotton is an animal fibre.
Cotton is wrinkle resistant, whereas wool is not.
Cotton is naturally fire resistant, while, wool is not.

Discuss Question

Answer: Option A. -> Wool is an animal fibre, whereas, cotton is a plant fibre.
:
A
Although cotton and wool are natural fibres, they are obtained from different sources.
Wool is an animal fibre obtained from the fleece of animals like sheep, yak, llama, etc. On the other hand, cotton, a plant fibre is obtained from the seeds of cotton plants.

Question 28. Charkha is a tool used for spinning