Environmental Management Book Back Questions

10th Standard EM

    Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 30
    4 x 1 = 4
  1. Which of the following is / are a fossil fuel?
    i. Tar
    ii. Coal
    iii. Petroleum

    (a)

    i only

    (b)

    i only ii

    (c)

    ii and iii

    (d)

    i, ii and iii

  2. A renewable source of energy is

    (a)

    petroleum

    (b)

    coal

    (c)

    nuclear fuel

    (d)

    trees

  3. An inexhaustible resources is

    (a)

    wind power

    (b)

    soil fertility

    (c)

    wild life

    (d)

    all of the above

  4. Green house effect refers to

    (a)

    cooling of earth

    (b)

    trapping of UV rays

    (c)

    cultivation of plants

    (d)

    warming of earth

  5. 3 x 1 = 3
  6. Deforestation leads to ______________ in rainfall.

    ()

    decrease

  7. Tidal energy is ___________ type of energy.

    ()

    renewable

  8. ______________ is the most commonly used fuel for the production of electricity.

    ()

    Coal

  9. 4 x 1 = 4
  10. Soil erosion

  11. (1)

    energy saving

  12. Bio gas

  13. (2)

    CO2

  14. CFL bulbs

  15. (3)

    Lead and heavy metals

  16. Solid waste

  17. (4)

    removal of vegetation

    1 x 2 = 2
  18. A : Rainwater harvesting is to collect and store rain water.
    R : Rainwater can be directed to recharge the underground water source.
    a) Both assertion and reason are true and reason is correct explanation of assertion.
    b) Both assertion and reason are true but reason is not the correct explanation of assertion.
    c) Assertion is true but reason is false.
    d) Both assertion and reason are false.

  19. 3 x 2 = 6
  20. What will happen if trees are cut down?

  21. What are the agents of soil erosion?

  22. Solar energy is a renewable energy. How?

  23. 1 x 4 = 4
  24. What are the advantages of using biogas?

  25. 1 x 7 = 7
  26. Enumerate the importance of forest.

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