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प्रश्न
A natural fibre obtained by boiling cocoons is called ______.
उत्तर
A natural fibre obtained by boiling cocoons is called silk.
APPEARS IN
संबंधित प्रश्न
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
______ is the strongest natural fibre.
Peace silk was produced in the year ______.
Define – Sericulture
Who invented the Ahimsa silk?
Write about Ahimsa Silk.
HOTS
Silk fiber is used to manufacture parachute. Why?
Which of the following is not a type of silk?
The term sericulture is used for
State whether the following statements are True or False. If false, correct them.
The rearing of silkworms for obtaining silk is called silviculture.
Some words related to silk are jumbled up. Write them in their correct form.
TURECULRISE
Some words related to silk are jumbled up. Write them in their correct form.
RINGLEE
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.
Complete the paragraph related to the life history of the silk moth by filling in the blanks.
The ____(a)___ silk moth lays ___(b)___, from which hatch ____(c)___ called ___(d)____ or ___(e)____. They grow in size and when the caterpillar is ready to enter the next stage of its life history called ___(f)____, it first weaves a covering to hold itself, which is known as ___(g)____.
Describe the life history of the silk moth with the help of figures from various stages.
India stands ______ in silk production in the world.
List a few characteristic features of silk.