The polymeric fibre used as a substitute for wool in making synthetic blankets, sweaters, etc, is:

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Q: 117 (CDS-I/2010)
The polymeric fibre used as a substitute for wool in making synthetic blankets, sweaters, etc, is:

question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,12,52,39,9,12,4

keywords: 

{'synthetic blankets': [0, 0, 1, 0], 'wool': [4, 1, 2, 4], 'polymeric fibre': [0, 0, 1, 0], 'nylon': [0, 0, 0, 2], 'sweaters': [0, 0, 1, 0], 'bakelite': [0, 0, 1, 1], 'teflon': [0, 0, 1, 1], 'substitute': [0, 0, 2, 1]}

The correct answer is option 3, orlon. Orlon is a type of polymeric fiber that is commonly used as a substitute for wool in the production of synthetic blankets, sweaters, and other clothing items. It is known for its softness and warmth, similar to wool.

Option 1, nylon, is another type of synthetic fiber but it is not commonly used as a wool substitute. Nylon is often used in the production of stockings, parachutes, and other materials that require strength and durability.

Option 2, teflon, is a non-stick coating that is commonly used on cookware. It is not used for making textiles or clothing items.

Option 4, Bakelite, is a type of plastic that was commonly used in the early 20th century. It is not used as a substitute for wool or in the production of blankets or sweaters.

Overall, orlon is the correct answer because it is a specific type of polymeric fiber that is commonly used as a substitute for wool in textiles and clothing items.