T3 - Polymer Chemistry English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

7th Standard

    Reg.No. :
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Science

Time : 00:10:00 Hrs
Total Marks : 7

    Part A

    7 x 1 = 7
  1. The first man-made fibre is _________

    (a)

    Nylon

    (b)

    Polyester

    (c)

    Rayon

    (d)

    Cotton

  2. Which of the following is the strongest?________

    (a)

    Rayon

    (b)

    Nylon

    (c)

    Acrylic

    (d)

    Polyester

  3. When you place a natural fibre in a flame it____________

    (a)

    melts

    (b)

    burns

    (c)

    gets nothing

    (d)

    explodes

  4. A synthetic fibre which has similar properties to wool is ____________

    (a)

    Nylon

    (b)

    Polyester

    (c)

    Acrylic

    (d)

    PVC

  5. A good application of plastic is the use of ________

    (a)

    Blood bags

    (b)

    Plastic cutlery

    (c)

    Plastic straws

    (d)

    Plastic carry bag

  6. ____________ is a non-biodegradable material

    (a)

    Paper

    (b)

    A plastic bottl

    (c)

    Cotton cloth

    (d)

    Wool

  7. PET is the acronym for______

    (a)

    Polyester

    (b)

    Polyester and ter

    (c)

    Polyethylene tereph

    (d)

    Polyetheneterylene

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