Available Answers

1. 1.

   Tick (√) the correct options:

   1. Which of the following is not a wool-yielding animal?
      1. sheep
      2. angora goat
      3. yak
      4. cow
   2. Which of the following is the next process after scouring?
      1. shearing
      2. sorting
      3. spinning
      4. combing
2. 2.

   Tick (√) the correct options:

   1. What do you call the process of rearing of silkworms for obtaining silk?
      1. apiculture
      2. pisciculture
      3. sericulture
      4. none of these
   2. Which of the following pattern is followed by silkworm to spin cocoon?
      1. 'O'
      2. 'C'
      3. '8'
      4. '6'
3. 3.

   Tick (√) the correct options:

   1. Which of the following is not a natural fibre?
      1. cotton
      2. rayon
      3. silk
      4. wool
   2. Lohi is the breed of _____________.
      1. cow
      2. silk moth
      3. sheep
      4. buffalo
   3. How many weeks are required for the eggs of silk moth to hatch?
      1. one
      2. two
      3. three
      4. four
   4. Sheep are sheared in ______________ season.
      1. summer
      2. spring
      3. autumn
      4. winter
   5. _______________ silkworm mainly feed on Som leaves.
      1. Mulberry
      2. Tassar
      3. Eri
      4. Mooga
   6. Which of the following silk is produced when raw silk is twisted?
      1. spun
      2. coloured
      3. thrown
      4. mooga
4. 4.

   Fill in the blanks:

   1. Alpaca is generally found in _____________.
   2. ___________ and _____________ fibres are obtained from animals.
   3. Silk is obtained  from cocoons of _______________.
   4. Natural fibres are obtained from ____________ and ____________.
   5. The person who looks after the sheep is called a _______________.
   6. The ______________ the burrs, the better is the wool.
   7. The eggs are warmed to a suitable temperature is an ________________.
   8. During the period of spinning of its cocoon, a silkworm is transformed into _____________.
5. 5.

   State whether the following statements are True (T) or (F). Rewrite the false statements correctly:

   1. Silk is obtained from cocoons of silkworms.
   2. The process of washing the fleece of sheep to remove dust, dirt, sweat and grease is called shearing.
   3. The rearing of silkworms for obtaining silk is called sericulture.
   4. The damaged or waste cocoons are used to produce raw silk.
6. 6.

   What is the process of removing the burrs from fleece called?