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Some words related to silk are jumbled up. Write them in their correct form. WILSMORK - Science

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प्रश्न

Some words related to silk are jumbled up. Write them in their correct form.

WILSMORK

एक शब्द/वाक्यांश उत्तर

उत्तर

SILKWORM

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Animal Fibre: Silk
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Fibre to Fabric - SHORT ANSWER QUESTIONS [पृष्ठ १८]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
अध्याय 3 Fibre to Fabric
SHORT ANSWER QUESTIONS | Q 16. (b) | पृष्ठ १८

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.


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

Which of the following is not a type of silk?


Some words related to silk are jumbled up. Write them in their correct form.

TURECULRISE


Steps for the production of silk are given below in a jumbled order. Arrange them in their proper sequence.

  1. Eggs are warmed to a suitable temperature for the larvae to hatch from eggs.
  2. Fibres are taken out from the cocoon.
  3. After 25 to 30 days, the caterpillars stop eating and start spinning cocoons.
  4. The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves.
  5. Female silk moths lay eggs.
  6. 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)____.


______ are boiled to get the silk.


List a few characteristic features of silk.


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