Fill in the blanks1. Silk worms prefer to eat ……………….. . 2. The larvae are kept in specialized cane structures called ……………….. . 3. The process of killing larvae inside cocoon by putting them in steam is known as ……………….. . 4. The process of extracting threads from cocoon is called ……………….. . 5. The scientific name of silkworm is ……………….. . 6. W.H.O refers to ……………….. . 7. Animal fibres are dissolved in ……………….. . 8. ……………….. chemical is present in toilet cleaners, disinfectants and cloth whiteness. 9. ……………….. are kept in the clothes to protect them from insects. 10. ……………….. protein is present ip wool fibres. 11. ……………….. protein is present in silk fibres. 12. Rearing of silk worms for getting silk is known as ……………….. . 13. Masks made of ……………….. avoid skin allergies and itching caused by longtime usage. 14. WHO recommends a ……………….. layered cotton fabric mask to protect ourselves from ……………….. . 15. We buy woolen clothes specially for ……………….. .