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प्रश्न
______ is the strongest natural fibre.
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उत्तर
Silk is the strongest natural fibre.
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.
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.
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.
HOTS
Silk fiber is used to manufacture parachute. Why?
Which of the following is not a type of silk?
The general process that takes place at a sheep shearing shed is ______.
Reeling of silk is ______.
State whether the following statement is True or False. If false, correct them.
Silkworms are caterpillars of silk moth.
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.
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.
Which of the following fibers is considered the strongest natural fiber?
India stands ______ in silk production in the world.
The silk moth feed on ______.
Silk is the secretion of ______.
