Environmental Science Soap and detergents are the source of organic pollutants like: All of these Polyphosphates Sulphonated hydrocarbons Glycerol All of these Polyphosphates Sulphonated hydrocarbons Glycerol ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The concept of ecological pyramid was first proposed by Charles Elton E.P. Odum G. Tansley Juday Charles Elton E.P. Odum G. Tansley Juday ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The Term Smog was introduced in 1905 by Canon Le Chatelier Des Voeux Hult Canon Le Chatelier Des Voeux Hult ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which one of the following is the most stable ecosystem? Forest Desert Ocean Mountain Forest Desert Ocean Mountain ANSWER DOWNLOAD EXAMIANS APP
Environmental Science A high Biological Oxygen Demand (BOD) indicates that: water is pure absence of microbial action High level of microbial pollution Low level of microbial pollution water is pure absence of microbial action High level of microbial pollution Low level of microbial pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following regarding ecological pyramids is not correct? The pyramid of energy expresses mainly the rate of food production In most ecosystems, the pyramid of numbers and biomass are up right In deep water ecosystem, the pyramid of biomass is upright In tree dominated ecosystem the pyramid of numbers is inverted The total energy flow at successive tropical level always decreases The pyramid of energy expresses mainly the rate of food production In most ecosystems, the pyramid of numbers and biomass are up right In deep water ecosystem, the pyramid of biomass is upright In tree dominated ecosystem the pyramid of numbers is inverted The total energy flow at successive tropical level always decreases ANSWER DOWNLOAD EXAMIANS APP
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