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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

Define – Sericulture - Science

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Question

Define – Sericulture

Definition

Solution

  1. Sericulture or silk farming is the cultivation of silk worm to produce silk.
  2. It is the rearing of silk worms to obtain silk.
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Animal Fibre: Silk
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Chapter 5: Animals in Daily Life - Evaluation [Page 91]

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Samacheer Kalvi Science - Term 3 [English] Class 7 TN Board
Chapter 5 Animals in Daily Life
Evaluation | Q VI. 5. | Page 91

RELATED QUESTIONS

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 ______.


Peace silk was produced in the year ______.


Write about any three uses of silk.


Write about Ahimsa Silk.


The general process that takes place at a sheep shearing shed is


The term sericulture is used for


Reeling of silk is


State whether the following statements are True or False. If false, correct them.

Silkworms are caterpillars of silk moths.


State whether the following statements are True or False. If false, correct them.

The rearing of silkworms for obtaining silk is called silviculture.


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.

WILSMORK


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.

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 the 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 a reason for your answer.


______ are boiled to get the silk.


The production of silk is called ______.


The silk moth feed on ______.


Silk is the secretion of ______.


List a few characteristic features of silk.


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