Page 44 - Science Class 06
P. 44

3.   Synthe c fibres are also called _______________      fibres.
                  4.   The tex le made from flax is called_______________      .

                  5.   India is a leading producer of_______________    .
                  6.   The breeding of silkworms for commercial purposes is called _______________        .
              D.  Write True or False.

                  1.  Clothes play an important role whether it is the beauty of a person or decora on of
                      the house.

                  2.  The warp threads are stretched lengthwise in the weaving loom.
                  3.  Jute is environment friendly as well as one of the most affordable fibres.
                  4.  Flax plants need annual rainfall between 510 mm and 760 mm.
                  5.  Hemp is closely related to flax plants.

                  6.  The fabrics made from polyester fibre do not have good elas city.
              E.  Rewrite the following correctly by changing the underlined words.
                  1.  Kni ng is done using devices called looms.

                  2.  We get co on and jute from animals.
                  3.  Nylon and acrylic are natural fibres.
                  4.  Jute is used as a stuffing in life jackets and pillows.
                  5.  Linen fabric is obtained from hemp plant.

                  6.  The process of making yarn from fibre is called re ng.
                  7.  Re ng is needed to extract silk co on.
                  8.  Khadi is a coarse cloth made from silk co on.

              F.   Very short answer ques ons.
                  1.  Why clothing is important for us?
                  2.   What are plants fibres composed of?
                  3.  What do you mean by natural fibres?

                  4.  Which type of soil suits to co on plants?
                  5.  In which condi on the hemp is produced?
                  6.  What type of climate is required for flax plants?
                  7.  Define sericulture.

                  8.  What is polyster?
                  9.  Why do clothes made of ar ficial fibres dry easily?
              G.  Short answer ques ons.
                  1.  How did early man use to cover his body parts?
                  2.  Describe the development of clothing materials.
                  3.  How fibre is obtained from co on plants?
                  4.  How fibre is obtained from silkworms?

                  5.  What is the process of making wool?
                  6.  How wool is obtained?


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