7th Standard Science Chapter 3 November 23, 2020January 21, 2021wefru 7th STD science Chapter 3 1 Created on November 23, 2020 By wefru 7th Standard Science Chapter 3 1 / 10 Q1Which Of The Following Statement Is Or Are Incorrect? In the process, of obtaining wool from fleece, sorting is done after scouring. The rearing of silkworms for obtaining silk and their rearing, breeding is called silviculture. The small fluffy fibres are picked out from the hair, called burrs. The longer fibres are made into wool for sweaters. 2 / 10 Q2The Eggs Of Silkworm Are Stored In Which Of The Following Things? Glass container or box Stripe of clothes Wooden box of Mulberry tree Leather box 3 / 10 Q3What Do You Mean By “Raw Silk”? When the cocoons are kept under the sun or boiled or exposed to steam condition. When caterpillar just completed cover (itself) by protein fibres. When cocoons are dyed in beautiful colours after boiling process. None of the above. 4 / 10 Q4Which Of The Following Statement Is Or Are Incorrect? Rearing and breeding of sheep can cause disease. Scientific name of Mulberry is “Morus Alba”. Reeling of silk is a process of making silk reels from fibres. All the above. 5 / 10 Q5Silkworms Secrete Fibre Made Of Fat Cellulose Protein Nylon 6 / 10 Q6Which Of The Following Statement Is Or Are Incorrect? Silk worms are caterpillars of silk moth. Sheep hair is sheared off from the body, scoured, sorted, dried, dyed, spun and woven. In India mostly sheep, goat and yak are reared for getting wool. None of the above. 7 / 10 Q7The Rearing Of Silkworms For Obtaining Silk Is Called Q7 The Rearing Of Silkworms For Obtaining Silk Is Called Silk Sericulture Silviculture 8 / 10 Q8Paheli Wants To Know The Name Of The Wool Producing States In India? Arunachal Pradesh Sikkim Haryana All the above 9 / 10 Q9Boojho Wants To Know The Wool Producing States In India, From The Given Options? Jammu and Kashmir Himachal Pradesh Uttarakhand All the above 10 / 10 Q10Paheli Wants To Know That Generally In Which Situation Bleaching And Dyeing Of Silk Fibres (Adding Colours) Are Usually Done? Before the yarns are made into fibres. After the yarns are made. Before the fabrics are made. After the fabrics are made. Your score isThe average score is 10% LinkedIn Facebook Twitter VKontakte 0% Restart quiz