Fibre to Fabric (Part - 2) class 6
Fibre to Fabric
Q.6. Which of the two are stronger: natural fibres or synthetic fibres?
Ans. Synthetic fibres are more stronger than natural fibres.
Q.7. What type of soil and climate are good for
growing cotton?
Ans. Cotton fibre
comes from the cotton plants which are grown in the fields by the
farmers. Cotton crop is usually
grown at places having black soil and warm climate.
Q.8. Which part of cotton plant provides cotton
and how?
Ans. Fruit of cotton
plant provides cotton. The fruits of cotton plants (called
cotton bolls) are of the size of lemons. After maturing, the cotton bolls burst
open to produce cotton seeds covered with white, soft cotton fibres. It looks
like a field covered with snow.
Q.9. What is ginning? How is it done?
Ans. From the cotton bolls, cotton is usually picked by hand. The cotton
fibres picked from the fields have cotton seeds in them. Fibres are then
separated from the seeds by combing. This process is called ginning
of cotton. Ginning was traditionally done by hand. These days, machines are
also used for ginning.
Q.10. Name
some states in India where cotton is mainly grown.
Ans. In India, cotton is mainly grown in the states of
Maharashtra, and parts of Andhra Pradesh, Madhya Pradesh and Gujarat.
Q.11. State
the various uses of cotton fibre.
Ans. Generally, Cotton fibres are used
for
- making clothes, dresses, etc.
- for filling pillows, mattresses and quilts.
- the wicks of oil lamps.
- Dressing in hospitals/First-aid kit
Q.12. What are Flax fibres?
Ans. The flax fibres are obtained from the stem
of flax plant. The cloth made of stem fibres of flax
is called linen.
Linen is used for making
bed-sheets, etc.
Q.13. What are Coconut fibres?
Ans. The fibre present on outer covering of
coconut are called coconut fibres.
The common name of coconut fibres
is ‘coir’.
The coconut fibres are used for
making ropes and mats.
Q.14. Explain how, jute fibre is obtained from jute plants.
Ans. Jute fibre is obtained from the stem
of the jute plant. It is cultivated during the rainy
season. The jute plant is normally harvested when it is at flowering
stage. The stems of the harvested plants are immersed in water for a few
days.
The stems rot by the retting process and jute fibres are then
separated from water by hand.
Q.15. What is Retting?
Ans. The stems of the harvested plants are immersed
in water for a few days. The stems rot by the action of
micro-organisms and moisture on plants and fibres are left behind, this is
called ‘retting’.
Retting softens the bond between the fibres and the inner core. These fibres are then separated from water by hand.
Q.16. State the uses of jute fibre.
Ans. Jute is a strong plant
fibre. So, Jute fibre is used to make ropes and jute bags (or gunny bags) which
are used as shopping bags as well as for storing food grains such as wheat,
rice, etc.
Q.17. Name
some states in India where jute is mainly grown.
Ans. In India, jute is mainly grown in West Bengal, Bihar and Assam.