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11th Standard English Medium Chemistry Subject Environmental Chemistry Book Back 3 Mark Questions with Solution Part - I updated Book back Questions Question Bank Software May-13 , 2022

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11th Standard English Medium Chemistry Subject Environmental Chemistry Book Back 3 Mark Questions with Solution Part - I updated Book back Questions

11th Standard English Medium Chemistry Subject Environmental Chemistry Book Back 3 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 15

    Part I

    5 x 3 = 15

  1. Dissolved oxygen in water is responsible for aquatic life. What processes are responsible for the reduction in dissolved oxygen in water ?

  2. From where does ozone come in the photo chemical smog ?

  3. Even though the use of pesticides increases the crop production, they adversely affect the living organisms. Explain the function and the adverse effects of the pesticides.

  4. Explain how oxygen deficiency is caused by carbon monoxide in our blood ? Give its effect

  5. What are the various methods you suggest to protect our environment from pollution ?

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