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प्रश्न
______ is the strongest natural fibre.
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उत्तर
Silk is the strongest natural fibre.
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संबंधित प्रश्न
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option
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 |
A natural fibre obtained by boiling cocoons is called ______.
Peace silk was produced in the year ______.
Who invented the Ahimsa silk?
Write about any three uses of silk.
Silk fibre is obtained from ______.
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 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)___.
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 silk moth feed on ______.
The larva of a silkworm is called ______.
List a few characteristic features of silk.
