Biology Plants absorb dissolved nitrates from soil and convert them into free nitrogen proteins ammonia urea free nitrogen proteins ammonia urea ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is true of osmosis? Requires energy Movement is against water's concentration gradient It is a type of diffusion All of these Requires energy Movement is against water's concentration gradient It is a type of diffusion All of these ANSWER DOWNLOAD EXAMIANS APP
Biology Which one of the following processes takes place in lakes during eutrophication? Excessive entry of nutrient into water Excessive availability of dissolved oxygen Rapid destruction of algal growth Loss of dissolved nutrients from water Excessive entry of nutrient into water Excessive availability of dissolved oxygen Rapid destruction of algal growth Loss of dissolved nutrients from water ANSWER DOWNLOAD EXAMIANS APP
Biology Which one of the following weeds is effective in controlling water pollution caused by industrial effluents? Elephant grass Water hycinth Parthenium Mogar grass Elephant grass Water hycinth Parthenium Mogar grass ANSWER DOWNLOAD EXAMIANS APP
Biology Which statement describes decomposers? Decomposers are those organisms that recycle matter in the ecosystem All listed here Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems Decomposers can produce their own source of energy and can sometimes act as primary producers Decomposers are those organisms that recycle matter in the ecosystem All listed here Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems Decomposers can produce their own source of energy and can sometimes act as primary producers ANSWER DOWNLOAD EXAMIANS APP
Biology Closely stacked flattened sacs (plants only) Vacuoles None of these Golgi apparatus Lysosomes Vacuoles None of these Golgi apparatus Lysosomes ANSWER DOWNLOAD EXAMIANS APP