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Question
The general process that takes place at a sheep shearing shed is ______.
Options
removal of fleece.
separating hair of different textures.
washing of sheep fibre to remove grease.
rolling of sheep fibre into yarn.
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Solution
The general process that takes place at a sheep shearing shed is removal of fleece.
Explanation:
Removal of the fleece from a sheep is called shearing. It can be done manually with a large razor or with a shearing machine.
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RELATED QUESTIONS
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints:
(1) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(2) Scientific name of mulberry is Morus alba.
Match the words of Column I with those given in Column II:
| Column I | Column II |
| Scouring | Yields silk fibres |
| Mulberry leaves | Wool yielding animal |
| Yak | Food of silk worm |
| Cocoon | Reeling |
| Cleaning sheared skin |
______ is the strongest natural fibre.
HOTS
Silk fiber is used to manufacture parachute. Why?
State whether the following statement is True or False. If false, correct them.
The rearing of silkworms for obtaining silk is called silviculture.
Steps for the production of silk are given below in a jumbled order. Arrange them in their proper sequence.
- Eggs are warmed to a suitable temperature for the larvae to hatch from eggs.
- Fibres are taken out from the cocoon.
- After 25 to 30 days, the caterpillars stop eating and start spinning cocoons.
- The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves.
- Female silk moths lay eggs.
- Cocoons are kept under the sun or boiled in water.
Describe the life history of the silk moth with the help of figures of various stages.
The larva of a silkworm is called ______.
List a few characteristic features of silk.
