Environmental Science The cutting down of trees and setting them on fire and raising crops on the resulting ash is called: Shift cultivation Pyrolysis Jhum Taungya system Shift cultivation Pyrolysis Jhum Taungya system ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Major cause of Ozone depletion is due to which chemical? Dioxins ChloroFluoroCarbons Polyphenols Rayon Dioxins ChloroFluoroCarbons Polyphenols Rayon ANSWER DOWNLOAD EXAMIANS APP
Environmental Science As it travels along the food chain, the concentration of DDT fluctuates randomly increases remains constant decreases fluctuates randomly increases remains constant decreases ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The crucial species that determine the ability of large number of other species is termed as _________ species. Significant Important Crucial Keystone Significant Important Crucial Keystone ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The pyramid of biomass is inverted in forest ecosystem grassland ecosystem tundra fresh water ecosystem forest ecosystem grassland ecosystem tundra fresh water ecosystem ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of Essential minerals Oxygen Light Food Essential minerals Oxygen Light Food ANSWER DOWNLOAD EXAMIANS APP
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