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

Who invented the Ahimsa silk? - Science

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Question

Who invented the Ahimsa silk?

Short Note

Solution

Kusuma Rajaiah, a Government officer from Andhra Pradesh proposed Ahimsa way of silk production for the making silks without killing the silkworms.

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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. 7. | Page 91

RELATED QUESTIONS

The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option


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.


Peace silk was produced in the year ______.


Define – Sericulture


HOTS

Silk fiber is used to manufacture parachute. Why?


The silk fibre is obtained from


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


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.

WILSMORK


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

BELMURRY


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

RINGLEE


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.

The production of silk is called ______.


The silk moth feed on ______.


List a few characteristic features of silk.


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