Olympiad Test: Fibres To Fabrics -1
15 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Fibres To Fabrics -1
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An expensive and rare fibre called Cashmere is obtained from
Silk moths feed only on mulberry leaves, hence these silk moths are also called as mulberry silk moths.
Suitable temperature for eggs of silkworm to hatch is:
Which of the following is the function of hair in animals?
Hair trap a lot of air and it keeps animal warm.
______ and ______ yield wool found in South America.
Which of the following has a great tensile strength?
Spider silk is famous for its amazing toughness, and until recently a tensile strength of 1.3 gigapascals (GPa) was enough to earn it the title of strongest natural material.
Which of the following is present in silk fibre?
Which of the following comes in the empty box in the given steps of processing fibres into wool Shearing → ? → Sorting
Scouring is done after shearing the skin with fur. In scouring, the skin with fur is washed thoroughly in tanks to remove grease, dust and dirt.
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