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Question

Steps for the production of silk are given below in a jumbled order. Arrange them in their proper sequence.
a) Eggs are warmed to a suitable temperature for the larvae to hatch from eggs.
b) Fibres are taken out from the cocoon.
c) After 25 to 30 days, the caterpillars stop eating and start spinning cocoons.
d) The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves.
e) Female silk moths lay eggs.
f) Cocoons are kept under the sun or boiled in water.

Solution
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The proper sequence of the given statements are given below:
a) Female silk moths lay eggs.
b) Eggs are warmed to a suitable temperature for the larvae to hatch from eggs.
c) The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves.
d) After 25 to 30 days, the caterpillars stop eating and start spinning cocoons.
e) Cocoons are kept under the sun or boiled in water.
f) Fibres are taken out from the cocoon.

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Similar Questions
Q1
Steps for the production of silk are given below in a jumbled order. Arrange them in their proper sequence.

(a) ​Eggs are warmed to a suitable temperature for the larvae to hatch from eggs.​
(b) Fibres are taken out from the cocoon.​
(c) After 25 to 30 days, the caterpillars stop eating and start spinning cocoons.​
(d) The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves.​
(e) Female silk moths lay eggs.​
(f) Cocoons are kept under the sun or boiled in water.​
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Q2

Choose the option that correctly arranges the statements given below in order with respect to silk worm rearing.

I. Eggs are kept under suitable conditions of temperature and humidity

II. Silk cocoons are boiled

III. Silk fibres are extracted

IV. Egg hatch into larvae

V. Larvae weave a cocoon around themselves to metamorphose

VI. Larvae are fed mulberry leaves making them grow


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Q3
Analyse the following statements and choose the correct option.​
1. The rearing of silkworms to obtain silk is called sericulture.​
2. The larvae feed on mulberry leaves to produce rough silk.​
3. The larvae shed skin four times before it starts spinning cocoons. ​
4. The Larvae start spinning cocoons after eating mulberry leaves for 2 to 3 days.​
5. Eggs are brought and incubated under controlled conditions.​
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Q4
Which of the following statements are correct regarding sericulture?
(i) After hatching, the silkworms are fed on freshly chopped mango leaves.
(ii) The silk fiber is obtained from the cocoons by a process known as reeling.
(iii) If an adult is allowed to emerge out from cocoon, the cocoon, the cocoon becomes useless for silk production.
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Q5
During the processing of silk fibres, the cocoons are boiled to kill the larvae.
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