Available Answers

1. 1.

   Fill in the blanks.

   1. We wear ___________ clothes in summer.
   2. We wear ___________ and clothes in winter.
   3. ___________ are ___________ fibres obtained from animals.
   4. ___________ and ___________ fibres are obtained from plants.
   5. Cotton plants generally grow to a height of ___________ feet.
   6. Jute is produced from stems of the plants of the genus ___________.
   7. Jute is cultivated during ___________ seasons.
   8. Jute falls in ___________ category.
   9. Jute plants are about ___________ cm tall.
   10. Jute fibres are used with other types of fibres to make ___________ and ___________.
2. 2.

   Tick (√) the correct answer:

   1. Removing of cotton fibres from seeds is called:
      1. weaving
      2. spinning
      3. ginning
      4. baling
   2. Which of the following are natural fibres:
      1. wool, silk and nylon
      2. cotton, jute, wool
      3. peroleum, coal and polyester
      4. nylon, polyester, rayon
   3. The height of a cotton plant is:
      1. 4-6 feet
      2. 2-4 feet
      3. 3-6 feet
      4. 4-8 feet
   4. The best soil for cultivation of jute plant is:
      1. red soil
      2. black soil
      3. alluvial soil
      4. all of these
   5. Which of the following are synthetic fibres?
      1. jute, wool, silk
      2. jute, polyester, silk
      3. nylon, rayon, polyester
      4. all of these
3. 3.

   Fill in the blanks:

   1. Clothes are made of ____________ fibers.
   2. Plant fibres are obtained from ____________ and ____________.
   3. Ginning is done to separate cotton fibres from ____________.
   4. ____________ and ____________ are animal fibres.
   5. We wear ____________ clothes in summer because ____________.
4. 4.

   Write 'T' for true and 'F' for false:

   1. In winter, we wear cotton clothes.
   2. Cotton clothes allow the heat of the body to escape and keep us cool.
   3. Early man used nylon and polyester for clothing.
   4. Jute is prepared in factories.
   5. Synthetic clothes should not be worn near the places where there is fire.
   6. Jute fibres are very durable.
5. 5.

   What are the most widely used natural fibres?
6. 6.

   Name some of the synthetic fibres.