Which one of the following is an indicator of air pollution?

Related MCQs

• Which is used as an Air pollution indicator?
• An organism which can monitor air pollution is –
• Potential of air pollution increases when the ventilation coefficient is –
• Highest source of air pollution in the world is –
• Which one of the following is the most sensitive Indicator of the health of a community?
• Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?
• Which of the following weeds has been found useful to check water pollution caused by industrial affluents?
• Which of the following weeds has been found useful to check water pollution caused by industrial effluents?
• Which of the following does not cause pollution?
• Which of the following fuels causes minimum environmental pollution?