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प्रश्न
Silk fibre is obtained from ______.
पर्याय
fleece of sheep
cotton ball
cocoon
shiny jute stalk
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उत्तर
Silk fibre is obtained from cocoon.
Explanation:
Silk is a natural fibre that is obtained from the cocoons of silk moths.
APPEARS IN
संबंधित प्रश्न
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.
A natural fibre obtained by boiling cocoons is called ______.
______ is the strongest natural fibre.
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.
Steps for the production of silk are given below in a jumbled order. Arrange them in their proper sequence.
- Eggs are warmed to a suitable temperature for the larvae to hatch from eggs.
- Fibres are taken out from the cocoon.
- After 25 to 30 days, the caterpillars stop eating and start spinning cocoons.
- The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves.
- Female silk moths lay eggs.
- Cocoons are kept under the sun or boiled in water.
______ are boiled to get the silk.
Silk is the secretion of ______.
