Page 1 - CBW

SAI International School

Competency Based Worksheet
Subject – Chemistry

Chapter – Fibre to fabric

Class- VI

Q. No. Questions

1. The process of separating cotton fibres from its seeds is called:

a) Spinning
b) Ginning
c) Weaving
d) Knitting
2. How can fibres be converted to yarn?

a) Weaving
b) Spinning
c) Knitting
d) Ginning
3. Which of the following processes involves conversion of yarn into cloth?
a) Carding
b) Weaving
c) Spinning
d) Dyeing
4. During the process of spinning, if the yarn produced is too thick, what could be the
potential impact on the final fabric?
a) The fabric will be lighter and more breathable.
b) The fabric will be heavier and less flexible.
c) The fabric will have a smoother texture.
d) The fabric will be more elastic.
5. If a fabric made from synthetic fibres is exposed to sunlight for an extended period, what is
the expected change in its properties?
a) The fabric will become more elastic.
b) The fabric will become more brittle and may degrade.
c) The fabric will become more breathable.
d) The fabric will become more resistant to water.
Choose the correct option for the following: (For questions- 6 and 7)
a) If both Assertion and Reason are correct and Reason is the correct explanation of
Assertion.
b) If both Assertion and Reason are correct, but Reason is not the correct explanation of
Assertion.
c) If Assertion is correct but Reason is incorrect.
d) If assertion is incorrect but Reason is correct.
e) If Assertion and Reason both are incorrect.