Environmental Science The presence of high coliform counts in water indicates decreased Biological Oxygen Demand contamination by human wastes phosphorus contamination hydrocrbon contamination decreased Biological Oxygen Demand contamination by human wastes phosphorus contamination hydrocrbon contamination ANSWER DOWNLOAD EXAMIANS APP
Environmental Science How do red and blue light differ? Blue light has a higher speed of propagation. The wavelength of red light is longer. Red light has a higher intensity. Red and blue light have different directions of polarization. Blue light has a higher speed of propagation. The wavelength of red light is longer. Red light has a higher intensity. Red and blue light have different directions of polarization. ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Wild life is continuously decreasing. What is the main reason of this? Cutting down of forest Destruction of habitat Predation Hunting Cutting down of forest Destruction of habitat Predation Hunting ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Who coined the slogan of Chipko Movement "Ecology is Permanent economy". Sunderlal Bahuguna Jawaharlal Nehru Rachel Carson Salim Ali Sunderlal Bahuguna Jawaharlal Nehru Rachel Carson Salim Ali ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Green plants are absent in deep sea. Why? Low temperature Light is absent High pressure Great depth Low temperature Light is absent High pressure Great depth ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere: Water vapor Chlorofluorocarbons Ozone Nitrous oxide Carbon dioxide Water vapor Chlorofluorocarbons Ozone Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP