A. Air only
B. Air and soil only
C. Air, soil and water
D. Air and water only
Related Mcqs:
- Spraying of DDT on crops produces pollution of
A. Soil and water
B. Air and soil
C. Crops and air
D. Air and water - 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 - The use DDT is banned now a days because it is:
A. Very costly
B. Not available
C. Inflammable
D. Not degraded easily - The major drawback of DDT as a pesticide is that:
A. Its cost of production is high
B. It is not rapidly degraded in nature
C. Organisms at once developed resistance to it
D. It is significantly less effective than other pesticides - When DDT was applied in an orchard as a pesticide, the fruit production decreased. This happened because:
A. DDT is a growth retardant
B. DDT disturbed hormonal balance essential for fruit setting
C. DDT killed the pollinating insects along with the pests
D. DDT inhibited flowering - DDT is a:
A. Biodegradable pollutant
B. Green house gas
C. Non-degradable pollutant
D. None of the above - The maximum biological magnification of DDT through food web is seen in:
A. Algae
B. Bacteria
C. Higher plants
D. Man - Which of the following is likely to have the highest level of DDT deposition in its body?
A. Eel
B. Crab
C. Sea gull
D. Phytoplanktons - Air pollution effects are usually found on:
A. Leaves
B. Flowers
C. Stems
D. Roots - The sea water gets pollution mainly due to:
A. Industrial waste
B. Oil spills
C. Death of marine fauna
D. None of these
The correct answer to the question: "Spraying of DDT on crop produces pollution of:" is "Air, soil and water ".