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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.
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 |
The cultivation and production of silk is known as ______.
Who invented the Ahimsa 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 ______.
Some words related to silk are jumbled up. Write them in their correct form.
WILSMORK
Some words related to silk are jumbled up. Write them in their correct form.
BELMURRY
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)___.
______ are boiled to get the silk.
The production of silk is called ______.
The larva of a silkworm is called ______.
List a few characteristic features of silk.
