Environmental Science Many freshwater animals cannot live for long in sea water and vice versa mainly because of the Change in the levels of thermal tolerance Change in N levels Variations in light intensity Osmotic problems Spectral quality of solar radiation Change in the levels of thermal tolerance Change in N levels Variations in light intensity Osmotic problems Spectral quality of solar radiation ANSWER DOWNLOAD EXAMIANS APP
Environmental Science High biological oxygen demand indicates: all of these intense level of microbial pollution absence of microbial pollution moderate microbial pollution all of these intense level of microbial pollution absence of microbial pollution moderate microbial pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Science BOD of a river water is found very high. This means water is highly polluted contain many dissolved minerals contain Algae is clear is highly polluted contain many dissolved minerals contain Algae is clear ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Salinization is ___________. Accumulation of salts in water Accumulation of salts in soil Accumulation of salts in animals Accumulation of salts in body Accumulation of salts in water Accumulation of salts in soil Accumulation of salts in animals Accumulation of salts in body ANSWER DOWNLOAD EXAMIANS APP
Environmental Science 5th June is observed as World population day World wildlife day World environment day World forest day World population day World wildlife day World environment day World forest day ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The atmosphere near the earth's surface is "heated from below." Which of the following does not significantly contribute to this heating? Convection from a hot surface Conduction of heat upward from a hot surface Heat energy from the earth's interior Absorption of infrared energy that has been radiated from the surface Convection from a hot surface Conduction of heat upward from a hot surface Heat energy from the earth's interior Absorption of infrared energy that has been radiated from the surface ANSWER DOWNLOAD EXAMIANS APP