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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Define – Sericulture - Science

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प्रश्न

Define – Sericulture

परिभाषा

उत्तर

  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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अध्याय 5: Animals in Daily Life - Evaluation [पृष्ठ ९१]

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सामाचीर कलवी Science - Term 3 [English] Class 7 TN Board
अध्याय 5 Animals in Daily Life
Evaluation | Q VI. 5. | पृष्ठ ९१

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

A natural fibre obtained by boiling cocoons is called ______.


______ is the strongest natural fibre.


Peace silk was produced in the year ______.


Write about Ahimsa Silk.


HOTS

Silk fiber is used to manufacture parachute. Why?


Reeling of silk is


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

Silkworms are caterpillars of silk moths.


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.

  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 from various stages.


India stands ______ in silk production in the world.


______ are boiled to get the silk.


The larva of a silkworm is called ______.


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