A. Excess use of fertilizers
B. Addition of wastes on soil
C. Reduction in soil productivity
D. All of these
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 - Removal of top soil by soil erosion result in the loss of soil:
A. Nitrites
B. Nitrates
C. Nitrogen
D. Nitric and nitrous acids - The soil pollution is caused as the industrial furnaces throw:
A. CFC, CH4 and SO2
B. Sulphates of Na, Ca and Fe
C. Fly ash
D. All of these - Pollution of soil may destroy its structure and:
A. Fertility
B. Porosity
C. Thickness
D. Nitrates - Loss of forests, urbanization, increasing pollution are all due to:
A. Population explosion
B. Nitrogen di-oxide
C. Global warming
D. Sulphur dioxide - In big cities, air pollution is mainly due to:
A. Burning of fossil fuel
B. Thermal power plants
C. Sewage
D. Suspended particles - Maximum noise pollution in residential areas is due to:
A. Traffic sirens
B. Sirens and loud speakers
C. Kitchen appliances, radio and TV
D. Industries - In 1970, several people died in Japan due to pollution of:
A. Barium
B. Cadmium
C. Iron
D. Mercury - The ground water pollution is due to excess of:
A. DDT is a growth retardant
B. Pesticides
C. Minerals
D. Carbon deposit - Thermal pollution in water bodies is caused due to discharge of:
A. Hot water from power plants
B. Hot chemicals from industries
C. Waste from mines
D. Waste from agricultural fields
The correct answer to the question: "Positive pollution of soil is due to:" is "All of these".