write true or false and justification answer : the secretion of the string of silk worm froms the silk fibre
Answers
yes ,Rearing silkworms :
A female silk moth lays hundreds of eggs at a time which are stored carefully on strips of cloth or paper and sold to silkworm farmers.
The farmers keep eggs under hygienic and suitable conditions of temperature and humidity.
The eggs are warmed to a suitable temperature for the larvae to hatch from eggs which is done when mulberry trees bear a fresh crop of leaves. The larvae, called caterpillars or silkworms, eat day and night and increase enormously in size and are kept in clean bamboo trays along with freshly chopped mulberry leaves.
After 25 to 30 days, the caterpillars stop eating and move to a tiny chamber of bamboo in the tray to spin cocoons and small racks or twigs may be provided in the trays to which cocoons get attached.
The caterpillar or silk worm spins the cocoon inside which develops the silk moth.
Processing silk :
A pile of cocoons is used for obtaining silk fibres and the cocoons are kept under the sun or boiled or exposed to steam and the silk fibres separate out.
The process of taking out threads from the cocoon for use as silk is called reeling the silk.
Reeling is done in special machines, which unwind the threads or fibres of silk from the cocoon and the silk fibres are then spun into silk threads, wh