Phosphate pollution is brought about by
Phosphate rocks
Fertilizers
Phosphate rocks and sewage
Fertilizers and sewage
Phosphate pollution is brought about by
Sound becomes a hazardous noise pollution if its level is above |
Answer |
Among the following, a secondary pollutant is |
Answer |
BOD of a pond is related to ______ in per unit volume of water |
Answer |
Which one of the following statements is wrong in case of Bhopal, (India) tragedy? |
Answer |
A disease affecting industrial workers is |
Answer |
Carbon monoxide is a pollutant because it |
Answer |
As it travels along the food chain, the concentration of DDT |
Answer |
CO emitted by automobiles prevents O-transport to body tissues by |
Answer |
Maximum deposition of DDT will occur in |
Answer |
Decomposition of domestic wastes under natural processes is called |
Answer |