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# Environment Studies **2nd Exam/Common/2853/Jun/2021** **(For 2018 Batch Onwards)** **Duration: 1.15 Hrs.** **Total Marks: 25** **Section A (3 x 5 = 15)** **Q1. Attempt any three questions.** i. What is air pollution and what are the main causes of air pollution? ii. What is noise pollution?...

# Environment Studies **2nd Exam/Common/2853/Jun/2021** **(For 2018 Batch Onwards)** **Duration: 1.15 Hrs.** **Total Marks: 25** **Section A (3 x 5 = 15)** **Q1. Attempt any three questions.** i. What is air pollution and what are the main causes of air pollution? ii. What is noise pollution? Write its effects and how it can be prevented? iii. Explain Bio-degradable and Non Bio-degradable Pollutants. iv. Write applications of solar energy. v. Write a short note on "Green Buildings". vi. What is energy management? What are its objectives? vii. Discuss the causes and effects of global warming. **Section B (1 x 10 = 10)** **Q2. Attempt any one question.** i. What is sustainable development? How it can be achieved? Explain with reference to the state of Punjab. ii. What is Groundwater depletion? What are its causes? iii. What is water pollution? What are its causes? How it can be prevented? iv. What are the causes and effects of acid rain? How it can be prevented?