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

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Question

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

WILSMORK

One Word/Term Answer
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Solution

SILKWORM

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Animal Fibre: Silk
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Chapter 3: Fibre to Fabric - SHORT ANSWER QUESTIONS [Page 18]

APPEARS IN

NCERT Exemplar Science [English] Class 7
Chapter 3 Fibre to Fabric
SHORT ANSWER QUESTIONS | Q 16. (b) | Page 18

RELATED QUESTIONS

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

The cultivation and production of silk is known as ______.


HOTS

Silk fiber is used to manufacture parachute. Why?


The term sericulture is used for ______.


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.

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.

Describe the life history of the silk moth with the help of figures of various stages.


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