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Chemistry In Everyday Life Model Question Paper 1

12th Standard EM

    Reg.No. :
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Chemistry

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. Drugs that bind to the receptor site and inhibit its natural function are called

    (a)

    antagonists

    (b)

    agonists

    (c)

    enzymes

    (d)

    molecular targets

  2. Natural rubber has

    (a)

    alternate cis- and trans-configuration

    (b)

    random cis- and trans-configuration

    (c)

    all cis-configuration

    (d)

    all trans-configuration

  3. Which one of the following is a bio-degradable polymer?

    (a)

    HDPE

    (b)

    PVC

    (c)

    Nylon 6

    (d)

    PHBV

  4. Which among the following is a modification of penicillin?

    (a)

    amoxicillin

    (b)

    catecholamine

    (c)

    Crythromycin

    (d)

    all the above

  5. Which one of the following is employed as antihistamine?

    (a)

    azithromycin

    (b)

    ciprofloxacin

    (c)

    cetirizine

    (d)

    neomycin

  6. 5 x 2 = 10
  7. Write a note on synthetic detergents

  8. What are food preservatives?

  9. What are competitive inhibitors?

  10. Give an example of a macromolecule chosen as drug targets.

  11. What are drug targets?

  12. 5 x 3 = 15
  13. How the tranquilizers work in body?

  14. Write the structural formula of aspirin.

  15. Name some important categories of food additives.

  16. Write a short note on Antioxidants.

  17. How is Low density polyethene prepared?

  18. 4 x 5 = 20
  19. What are bio degradable polymers? Give examples.

  20. Write a note on vulcanization of rubber

  21. Differentiate thermoplastic and thermosetting.

  22. Explain Receptor as drug targets.

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