Solved question paper for EVS Dec-2017 (B-TECH 1st-2nd)
Solved Question Paper
Environmental science Dec-2017
PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2017
environmental science previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for environmental science, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for environmental science with answers pdf while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.
These Questions are downloaded from www.brpaper.com. You can also download previous years question papers of 10th and 12th (PSEB & CBSE), B-Tech, Diploma, BBA, BCA, MBA, MCA, M-Tech, PGDCA, B-Com, BSc-IT, MSC-IT.
Solved Questions
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Distinguish primary pollutants from secondary pollutants with examples.Short Answer 2 Marks Dec-2017 • PTU B-TECH
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What is greenhouse effect? Discuss the possible impacts of global warming.Short Answer 2 Marks Dec-2017 • PTU B-TECH
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May 2017 What is Global warming? Discuss its causes and effects.
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Dec 2014 What are the effects of global warming?
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Dec 2012 What is the impact of global warming?
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What is the significant difference between COD and BOD?Short Answer 2 Marks Dec-2017 • PTU B-TECH
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May 2018 What is BOD?
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Dec 2018 Differentiate between BOD & COD.
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May 2016 Differentiate BOD & COD.
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Differentiate between photoautotrophs and chemoautotrophs.Short Answer 2 Marks Dec-2017 • PTU B-TECH
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What are the limitations of any two of the non-conventional energy resources?Short Answer 2 Marks Dec-2017 • PTU B-TECH
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What are the impacts of the depletion of Ozone Layer?Short Answer 2 Marks Dec-2017 • PTU B-TECH
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May 2012 What is the effect of depletion of ozone layer on human beings? Discuss.
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Discuss the causes and consequences of ground level ozone.Short Answer 2 Marks Dec-2017 • PTU B-TECH
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What are environmental ethics?Short Answer 2 Marks Dec-2017 • PTU B-TECH
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Dec 2012 What do you understand by environmental ethics?
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What are induced species?Short Answer 2 Marks Dec-2017 • PTU B-TECH
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List components of ecosystem.Short Answer 2 Marks Dec-2017 • PTU B-TECH
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May 2018 Name components of eco-system.
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May 2012 List components of ecosystem.
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Biochemical oxygen demand (BOD).Short Answer Dec-2017 • PTU B-TECH
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Eutrophication - Causes and Consequences.Short Answer Dec-2017 • PTU B-TECH
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Explain the structural and functional components of ecosystem.Long Answer 5 Marks Dec-2017 • PTU B-TECH
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May 2019 Define Ecosystem. What are its components?
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May 2015 What are the functions of an ecosystem?
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Explain the concept of ecological pyramid. Discuss under what circumstances they are inverted.Long Answer Dec-2017 • PTU B-TECH
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Critically evaluate the differences between suspended and attached growth processes used for treatment of wastewater.Long Answer Dec-2017 • PTU B-TECH
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Give the classification of solid waste. Along with suitable diagram, describe sanitary landfills and incineration for the disposal of solid waste highlighting their advantages and disadvantages?Long Answer 5 Marks Dec-2017 • PTU B-TECH
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Define food chain and food web. Explain why the concept of food web is more real ecologically than the concept of food chain?Long Answer Dec-2017 • PTU B-TECH
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Mention any four environmental legislations.Short Answer Dec-2017 • PTU B-TECH
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Give a detailed description and diagrammatic representation of Nitrogen cycle.Long Answer Dec-2017 • PTU B-TECH
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What are the disadvantages of population explosion in terms of food security?Short Answer Dec-2017 • PTU B-TECH
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Acid rain is one of the most serious environmental problems emerged due to air pollution. Explain the mechanism of acid rain formation and the effects associated with that.Long Answer Dec-2017 • PTU B-TECH
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Dec 2016 What are the causes of acid rain?
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Dec 2015 What is acid rain? Enumerate occurrence and consequences of acid rain.
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Elucidate the role of administration in management of disaster especially floods?Long Answer Dec-2017 • PTU B-TECH
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Describe briefly the trends in interactions or human settlements with environment with reference to biological and cultural needs.Long Answer 10 Marks Dec-2017 • PTU B-TECH
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Discuss the impact of thermal pollution on aquatic species. With this view, recommend measures to minimize the impact of thermal pollution on aquatic species.Long Answer Dec-2017 • PTU B-TECH
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Differentiate between reservoir and exchange pool in biogeochemical cycles?Short Answer Dec-2017 • PTU B-TECH
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FAQ
Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
01 Where can I find environmental science previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists environmental science question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year environmental science papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does environmental science usually cover?
The question papers here relate to the official environmental science syllabus set by the university for this course and semester.
05 Does this page include a environmental science with answers pdf or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.