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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.
उत्तर
Adult silk moths
Life Cycle of silk moth
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संबंधित प्रश्न
Write about Ahimsa Silk.
HOTS
Silk fiber is used to manufacture parachute. Why?
The silk fibre is obtained from
Some words related to silk are jumbled up. Write them in their correct form.
WILSMORK
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 the 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 a reason for your answer.
Describe the life history of the silk moth with the help of figures from various stages.
The larva of a silkworm is called ______.
Silk is the secretion of ______.
List a few characteristic features of silk.
