If water pollution continues at its present rate, it will eventually:

Related Mcqs:

1. The air pollution caused by phosphate fertilizer factories is due to:The air pollution caused by phosphate fertilizer factories is due to:

   A. Phosphene
   B. SiF4
   C. Dust
   D. Halogens

2. Water pollution is caused by:

   A. Ammonia
   B. Phytoplankton
   C. Industrial effluents
   D. Smoke

3. Most harmful heavy metals causing water pollution:

   A. Pb, Hg, Cr, Cd
   B. P,Mn,B,Mg
   C. N,K,Mo
   D. Zn,Mo,Mg,Ag

4. Common indicator organism of water pollution is:

   A. Eichhornia crassipes
   B. Escherichia coli
   C. Entamoeba histolytica
   D. Lemna pancicostata

5. The sea water gets pollution mainly due to:

   A. Industrial waste
   B. Oil spills
   C. Death of marine fauna
   D. None of these

6. With the increase in water pollution, the BOD:

   A. Decreases
   B. Increases
   C. Remains the same
   D. Is no measure of pollution

7. The most harmful component of detergents causing water pollution is:

   A. Linear alkyl sulphonate
   B. Sulphates and phosphate
   C. Alkyl benzenes sulphonate
   D. None of these

8. Minamata diseased was caused due to water pollution by:

   A. Lead
   B. Cyanides
   C. Methyl isocyanate
   D. Mercury

9. Water pollution is caused by:

   A. Decay of bodies of aquatic organisms
   B. Rain
   C. Growth of phytoplankton
   D. Industrial effluents

10. Biological treatment of water pollution is done with the help of:

    A. Lichens
    B. Fungi
    C. Phytoplanktons
    D. None of the above