Environmental Science The range of normal human hearing is in the range of 50Hz to 15000 Hz 50 Hz to 80 Hz 10 Hz to 80 Hz 15000 Hz and above 50Hz to 15000 Hz 50 Hz to 80 Hz 10 Hz to 80 Hz 15000 Hz and above ANSWER DOWNLOAD EXAMIANS APP
Environmental Science A river with high BOD value is highly productive highly polluted highly clean none of these highly productive highly polluted highly clean none of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The first trophic level in a food chain Bacteria Green Plants Herbivores Carnivores Bacteria Green Plants Herbivores Carnivores ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following ecological pyramid is always upright? Pyramid of energy Pyramid of biomass None of these Pyramid of number Pyramid of energy Pyramid of biomass None of these Pyramid of number ANSWER DOWNLOAD EXAMIANS APP
Environmental Science An important reason for the large daily temperature range over deserts is: Free convection cells are unable to form above the hot desert ground The light-colored sand radiates heat very rapidly at night The ozone content of desert air is very low There is little water vapor in the air to absorb and re-radiate infrared radiation Dry air is a very poor heat conductor Free convection cells are unable to form above the hot desert ground The light-colored sand radiates heat very rapidly at night The ozone content of desert air is very low There is little water vapor in the air to absorb and re-radiate infrared radiation Dry air is a very poor heat conductor ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is troposphere? Portion of water Lowest layer of atmosphere where we survive Portion of sky Portion of air Portion of water Lowest layer of atmosphere where we survive Portion of sky Portion of air ANSWER DOWNLOAD EXAMIANS APP
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