Environmental Science Which of the following gases has role an important in maintaining atmospheric temperature? Oxygen Argon Nitrogen Carbon dioxide Oxygen Argon Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of Oxygen Light Essential minerals Food Oxygen Light Essential minerals Food ANSWER DOWNLOAD EXAMIANS APP
Environmental Science A small quantity of __________ material can produce an enormous amount of energy Metallic Radioactive Non-metallic Conductive Metallic Radioactive Non-metallic Conductive ANSWER DOWNLOAD EXAMIANS APP
Environmental Science A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as Pyramid of biomass Ecological pyramid Pyramid of energy Pyramid of number Pyramid of biomass Ecological pyramid Pyramid of energy Pyramid of number ANSWER DOWNLOAD EXAMIANS APP
Environmental Science A pond, serves as a good example for a __________ water ecosystem. fresh brackish marine sea fresh brackish marine sea ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Nitrogen gas returns to the atmosphere by the action of Nitrate fertilizers Nitrifying bacteria Nitrogen fixing bacteria Denitrifying bacteria Nitrate fertilizers Nitrifying bacteria Nitrogen fixing bacteria Denitrifying bacteria ANSWER DOWNLOAD EXAMIANS APP