A. Make oxygen molecules unavailable to aquatic life
B. Make nitrates unavailable to aquatic life
C. Prevent precipitation
D. Stop the water cycle
Related Mcqs:
- 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 - Water pollution is caused by:
A. Ammonia
B. Phytoplankton
C. Industrial effluents
D. Smoke - 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 - Common indicator organism of water pollution is:
A. Eichhornia crassipes
B. Escherichia coli
C. Entamoeba histolytica
D. Lemna pancicostata - The sea water gets pollution mainly due to:
A. Industrial waste
B. Oil spills
C. Death of marine fauna
D. None of these - With the increase in water pollution, the BOD:
A. Decreases
B. Increases
C. Remains the same
D. Is no measure of pollution - 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 - Minamata diseased was caused due to water pollution by:
A. Lead
B. Cyanides
C. Methyl isocyanate
D. Mercury - Water pollution is caused by:
A. Decay of bodies of aquatic organisms
B. Rain
C. Growth of phytoplankton
D. Industrial effluents - Biological treatment of water pollution is done with the help of:
A. Lichens
B. Fungi
C. Phytoplanktons
D. None of the above
Mcq Added by: admin