Q1. Classify the following fibres as natural or synthetic:
nylon, wool, cotton, silk, polyester,
jute
Answer:
Natural
fibres: cotton, silk, jute
Synthetic
fibres: nylon, polyester
Q2. State whether the following statements are true or
false:
a) Yarn is made from fibres.
b) Spinning is a process of making fibres.
c) Jute is the outer covering of coconut.
d) The process of removing seed from cotton is called
ginning.
e) Weaving of yarn makes a piece of fabric.
f) Silk fibre is obtained from the stem of a plant.
g) Polyester is a natural fibre.
Answer:
a) Yarn is made from fibres. (True)
b) Spinning is a process of
making fibres. (False)
c) Jute is the outer covering
of coconut. (False)
d) The process of removing seed
from cotton is called ginning. (True)
e) Weaving of yarn makes a
piece of fabric. (True)
f) Silk fibre is obtained from
the stem of a plant. (False)
g) Polyester is a natural
fibre. (False)
Q3. Fill in the blanks:
a) Plant fibres are obtained from______ and ______.
b) Animals fibres are ______ and ______.
Answer:
a) Plant fibres are obtained
from fruits and stems.
b) Animals fibres are silk
and wool.
Q4. From which parts of the plant cotton and jute are
obtained?
Answer:
Jute fibre is obtained from
stem of jute plant.
Cotton fibre is obtained from fruits
of cotton plant (cotton bolls).
Q5. Name two items that are made from coconut fibre.
Answer:
(i)
Baskets
(ii)
Doormats
Q6. Explain the process of making yarn from fibre.
Answer:
Spinning is the process of making yarn from fibres. In this
process, fibres from a mass of cotton wool are drawn out and twisted. This
brings the fibres together to form a yarn.