MEDIUM
Earn 100

List the disadvantages of natural fibres.
Important Questions on Synthetic Fibres and Plastics
EASY
Cotton, silk, wool are _____ fibres.

EASY

EASY
(flies, air, water, sunshine)
Wire netting on the windows keeps _____ out.


EASY
The fibres that are obtained from the plant and animal sources are known as _____ fibres.

EASY
Choose the right word and fill in the blank:
The last stage in the construction of a house is _____. (foundation/painting)

EASY

MEDIUM
(roofs, materials, tails)
Houses at different places are made by using different types of _____.

EASY
A cotton cloth can degenerate within the time period of two to five months. It means it is a _____ material.

MEDIUM

EASY

EASY
Silk is obtained from the _____ of the silkworms.

EASY
Wool is a _____ fibre (natural/synthetic).


MEDIUM

EASY
(electrician, plumber)
A _____ lays the water pipes.

EASY

MEDIUM

MEDIUM
When a _____ fibre is burnt, the residue swells up to form black ash.
(List: polyvinyl chloride, monomer, viscose, silk, teflon)

EASY
Coconut fibres can be woven into a fabric called _____.

