10 - Science - 07. Biology – Conservation Of Environment

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10 - Science - 07. Biology  Conservation Of Environment

Prepared By Mr. S. Ravikumar, B. T. Asst. , GHS, Arangaldhurgam, Vellore District.   ; &nbs p; & www. Padasalai. Net


Questions and Answers
  • 1. 
    • A. 

      Grass, flowers and leather

    • B. 

      Grass, wood and plastic

    • C. 

      Fruit peels, cake and plastic

    • D. 

      Cake, wood and grass

  • 2. 
    Which one do you like?Which of the following constitute a food chain?
    • A. 

      Grass, wheat and mango

    • B. 

      Grass, goat and human

    • C. 

      Goat, cow and elephant

    • D. 

      Grass, fish and goat

  • 3. 
    Which of the following are environmental friendly practices?
    • A. 

      Carrying cloth bags to carry the purchase items during shopping

    • B. 

      Switching off light and fans when not in use

    • C. 

      use the public transport

    • D. 

      All the above

  • 4. 
    What is called as ‘black gold’?
    • A. 

      Hydrocarbons

    • B. 

      Coal

    • C. 

      Petroleum

    • D. 

      Ether

  • 5. 
    Odd one out. Plants, grasshopper, frog, tiger, snake
    • A. 

      Plants

    • B. 

      Grasshopper

    • C. 

      Frog

    • D. 

      Tiger

  • 6. 
    • A. 

      Plastic

    • B. 

      Paper

    • C. 

      Bio-plastics

    • D. 

      Halogen lame retardants

  • 7. 
    _____ green house gas which causes climate change and global warming.
    • A. 

      Hydrogen

    • B. 

      Oxygen

    • C. 

      Nitrogen

    • D. 

      Carbon-di-oxide

  • 8. 
    The _____ forms decomposers in the pond ecosystem.
    • A. 

      Plants

    • B. 

      Bacteria

    • C. 

      Frog

    • D. 

      Phlytoplanktons

  • 9. 
    ________ chemical is used in seeding clouds.
    • A. 

      Potassium iodide

    • B. 

      Calcium carbonate

    • C. 

      Sulphurdioxide

    • D. 

      Ammonium phosphate

  • 10. 
    Example for fossil fuel is ________
    • A. 

      Copper

    • B. 

      Iron

    • C. 

      Magnesium

    • D. 

      Coal