Environmental Studies exam (WPE 407) from BUTEX affiliated colleges' 2021 Level-4 Term-I finals. Questions cover greenhouse gas sources and removal, AQI calculation, VOC treatment of contaminated air, industrial pollution control, and noise impacts by department.
Level-4 Term-I, Final Exám-2021
Subject: Environmental Studies (Code: WPE 407)
Time: 3.0 Hrs. Full Marks: 72
(Use separate answer script for Part: A and Part: B)
(All parts of a question must be answered consecutively)
Part: A
(Answer any three questions)
1. (a) What do you mean by environment and environmental chemistry?
(b) Describe the classification of pollution.
(c) Write notes on pollution and pollutant.
[3+5+4 = 12]
2. (a) State the greenhouse effect and write the name of greenhouse gases.
(b) Illustrate the main sources of greenhouse gases due to human activity.
(c) Explain the removal process of greenhouse gases from atmosphere.
[4+4+4 = 12]
3. (a) What is AQI? How AQI is calculated?
(b) How will you treat contaminated air containing VOCs? Discuss in details.