Environment & Ecology·MCQ Practice

Air Pollution in Indian Cities — MCQ Practice

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Version 1Updated 9 Mar 2026

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.

Q1medium

Which of the following pollutants are considered while calculating the Air Quality Index (AQI) in India? 1. Carbon Monoxide (CO) 2. Methane (CH4) 3. Ammonia (NH3) 4. Lead (Pb) 5. Black Carbon Select the correct answer using the code given below:

Q2medium

Consider the following statements regarding the National Clean Air Programme (NCAP): 1. It aims to reduce particulate matter (PM2.5 and PM10) concentrations by 20-30% by 2024, with 2017 as the base year. 2. It is a statutory program implemented under the Environment (Protection) Act, 1986. 3. It covers all cities in India that exceed the National Ambient Air Quality Standards (NAAQS). Which of the statements given above is/are correct?

Q3easy

Which of the following atmospheric conditions is most likely to exacerbate urban air pollution, particularly during winter mornings? 1. High wind speeds 2. High mixing height 3. Temperature inversion 4. Strong convection currents

Q4easy

The 'Graded Response Action Plan' (GRAP) for air pollution control is implemented in:

Q5medium

Which of the following statements best describes the significance of the transition to Bharat Stage (BS)-VI emission norms in India? 1. It primarily aimed at reducing carbon dioxide emissions from vehicles. 2. It mandated a significant reduction in sulfur content in fuel and introduced advanced emission control technologies. 3. It was implemented only for commercial vehicles, excluding private passenger vehicles. 4. It replaced the Air (Prevention and Control of Pollution) Act, 1981, as the primary legislation for vehicular pollution.

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