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What is the maximum length of continuous silk thread obtained from cocoon?
It is from 300m to 900m
What Beautiful thread produced by little worms?
Silk is produced by silkworms by secreting a fluid through their spinnerets to create a protective cocoon. The silk thread is then harvested by unraveling the cocoon.
What is the covering of a silkworm cocoon called?
The covering of a silkworm cocoon is called a silk filament or silk thread. It is made up of a protein called fibroin, which is secreted by the silkworm to form the cocoon.
What is the worlds smallest snake?
-a type of threadsnake found on the island of Barbados on Aug 4th 2008, has been determined to be the smallest snake in the world. The snake averages 4 inches in length and is the width of a spaghetti strand - Unique to reptiles and snakes in particular, it produces only one egg at a time (which is half the size of its body.
Is thread fish a fish?
Yes it is. In fact there's a golden thread fish. It has a golden tail.(Not real shiney gold.)
What is maximum length of continuous silk thread obtained from cocoon?
A single continuous thread of raw silk from 300 to 900 meters (1000 to 3000 feet) can be drawn from a cocoon. The fibers are very fine and lustrous, about 10 micrometers (1/2500th of an inch) in diameter.
What is the maximum length of continuous silk thread obtained from cocoon?
It is from 300m to 900m
How fibers are obtained?
Silk fibers are obtained from the cocoon of silk larvae, larvae of the silk moth, which are spun from the cocoon into one, long thread.
How is silk produced?
it is produced by using the liquid in a silk worms mouth.
What Beautiful thread produced by little worms?
Silk is produced by silkworms by secreting a fluid through their spinnerets to create a protective cocoon. The silk thread is then harvested by unraveling the cocoon.
Is silk is a polymer?
Silk is natural, not a man-made polymer. The silk is mainly obtained from the cocoons of the Mulberry Silkworm (Bombyx mori). When the caterpillar forms a pupae, it encases itself in a cocoon of fine silk thread. Before the adult moth emerges, the cocoon is steeped in hot water to kill the developing moth inside. The cocoon is then unravelled and is combined with several other silk threads to produce a strong silk thread that can be used to produce silk fabric.
Why is a cocoon that produces a live silkmoth useless for making silk clothes?
The silk that is made into the cloth is the thread that the silkmoth caterpillar spins to make its cocoon. Thus the cocoons are boiled to kill the pupa and free the silk thread.
What is the covering of a silkworm cocoon called?
The covering of a silkworm cocoon is called a silk filament or silk thread. It is made up of a protein called fibroin, which is secreted by the silkworm to form the cocoon.
What are the steps in making silk?
first the silkworms are fed on the leaves of the mulberry bush. then each silkworm spins a continuous thread up to 800 metres long to form a cocoon. then the silkworms are boiled in water and silk is obtained from them
What happens to silkworms cocoon at a silk factory?
It's boiled and then unwound into a long thread.
What does silk farmer do with cocoons not needed for breeding purpse?
they kill the silkworm that is inside to get the cocoon into fiber (thread)
How does a caterpillar make his cocoon?
A caterpiller makes it's christalys by spinning thread arround it's body.
