Description : An organism which can monitor air pollution is – (1) Bacteria (2) Lichen (3) Algae (4) Fungi
Last Answer : (2) Lichen Explanation: Lichens can be used as air pollution indicators, especially of the concentration of sulfur dioxide in the atmosphere. Air pollutants dissolved in rainwater, especially sulfur ... lichens, and prevent them from growing. This makes lichens natural indicators of air pollution.