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प्रश्न
HOTS
Silk fiber is used to manufacture parachute. Why?
उत्तर
- Silk is the strongest natural fibre.
- It is thin light in weight, strong.
- It is easly to peak and unfold.
- It is also fire resistant.
- It is dries quickly.
- It is also resistant to abrasion and chemicals.
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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 ______.
The cultivation and production of silk is known as ______.
Peace silk was produced in the year ______.
Define – Sericulture
Who invented the Ahimsa silk?
Which of the following is not a type of silk?
The general process that takes place at a sheep shearing shed is
The term sericulture is used for
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.
BELMURRY
Complete the paragraph related to the life history of the silk moth by filling in the blanks.
The ____(a)___ silk moth lays ___(b)___, from which hatch ____(c)___ called ___(d)____ or ___(e)____. They grow in size and when the caterpillar is ready to enter the next stage of its life history called ___(f)____, it first weaves a covering to hold itself, which is known as ___(g)____.
India stands ______ in silk production in the world.
______ are boiled to get the silk.
The larva of a silkworm is called ______.
