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प्रश्न
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
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उत्तर
Adult silk moths
Life Cycle of silk moth
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संबंधित प्रश्न
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 |
Peace silk was produced in the year ______.
The general process that takes place at a sheep shearing shed is ______.
The term sericulture is used for ______.
State whether the following statement is True or False. If false, correct them.
Silkworms are caterpillars of silk moth.
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.
Paheli went to the market to buy sarees for her mother. She took out a thread from the edge of the two sarees shown by the shopkeeper and burnt them. One thread burnt with a smell of burning hair and the other burnt with the smell of burning paper. Which thread is from a pure cotton saree and which one from a pure silk saree? Give reason for your answer.
______ are boiled to get the silk.
The production of silk is called ______.
