Explanation The Correct Answer is Eri Silk Key Points • Silk | UPSC LAW Optional
Explanation The Correct Answer is Eri Silk
Key Points • Silk contains fibroin which is a protein that is secreted by certain insect larva to make cocoons.
• Fibroin gives strength and makes silk fibers strong and hard to break. Another protein sericin presents around the fibroin and provides protection to it.
○ Eri silk- It is obtained from the caterpillar of Philosamia ricini that mostly feeds on leaves of the castor plants and mainly found in the northeast region of India, in some parts of China and Japan. Eri silk fibre is not reeled. The cocoon is open-ended and the moth emerges or the worm extracted.
○ Tussar silk- also called ‘Kosa silk’ which is obtained from several species of larvae of silkworm belongs to moth genus Antheraea. Its fibres are less durable than mulberry silk.
○ Mulberry silk- It is also known as ‘Natural silk’. It is the softer, shiny, luxurious fabric. It is obtained from Bombyx mori moth larvae that consume only Mulberry tree leaves and its cocoons are spun into raw silk fibres. Bombyx mori reared via a sericulture method. Due to its highest qualities and low price it is the best silk.
