8th Class Science Synthetic Fibers and Plastics Question Bank

done Self Test-11 Total Questions - 10

• question_answer1)
  Which one of the following is a natural fiber?
  A)
   Rayon done clear
  B)
   Cotton done clear
  C)
   Polyester done clear
  D)
   Nylon done clear
  E)
   None of these done clear
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• question_answer2)
  Which one of the following is a synthetic fiber?
  A)
   Jute done clear
  B)
   Nylon done clear
  C)
   Acrylic done clear
  D)
   Both  and done clear
  E)
   Both  and done clear
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• question_answer3)
  Which one of the following synthetic fibers is obtained from wood pulp?
  A)
   Rayon done clear
  B)
   Nylon done clear
  C)
   Polyester done clear
  D)
   Acrylic done clear
  E)
   None of these done clear
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• question_answer4)
  Which one of the following not correct about plastics?
  A)
   Plastics can be moulded into different shapes done clear
  B)
   Plastics are good conductor of heat and electricity done clear
  C)
   Plastics are chemically unreactive done clear
  D)
   Plastics are light, strong and durable done clear
  E)
   None of these done clear
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• question_answer5)
  Which one of the following statements is correct? Statement 1: Polywool is a mixture of polyester and wool Statement 2: Polycot is a mixture of polyester and cotton
  A)
   Statement 1 done clear
  B)
   Statement 2 done clear
  C)
   Both statements are correct done clear
  D)
   Both statements are incorrect. done clear
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• question_answer6)
  Which one of the following is correct about nylon fibers?
  A)
   Nylon fibres are very strong done clear
  B)
   Nylon fibres absorbs very little water done clear
  C)
   Nylon fibres are fairly elastic done clear
  D)
   All of these done clear
  E)
   None of these done clear
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• question_answer7)
  Which one of the following statements is correct? Statement 1: Terylene is a popular fiber Statement 2: Polyester fabric is wrinkle resistant
  A)
   Statement 1 done clear
  B)
   Statement 2 done clear
  C)
   Both statements are correct done clear
  D)
   Both statements are incorrect. done clear
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• question_answer8)
  Which one of the following is an example of thermoplastic?
  A)
   Polythene done clear
  B)
   Polyvinyl chloride done clear
  C)
   Melamine done clear
  D)
   Both  and done clear
  E)
   Both  and done clear
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• question_answer9)
  Which one of the following statements is correct? Statement 1: Plastics are also polymers Statement 2: Bakelite is a very hard plastic
  A)
   Statement 1 done clear
  B)
   Statement 2 done clear
  C)
   Both statements are correct done clear
  D)
   Both statements are incorrect. done clear
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• question_answer10)
  Which one of the following is a fire-resistant plastic?
  A)
   Polythene done clear
  B)
   Polyvinyl chloride done clear
  C)
   Melamine done clear
  D)
   Bakelite done clear
  E)
   None of these done clear
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