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Roll No. [ TTTTTT] [ ] Total No. of Pages : 02
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Total No. of Questions : 09B.Sc. (Non Medical) (2018 Batch) (Sem.-3)
ENVIRONMENT SCIENCE
Subject Code : BSNM-309-18
M.Code : 76909
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Time : 3 Hrs. Max. Marks : 50INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying ONE mark each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
- Write briefly :
- Define Environment and Eco System.
- Differentiate between renewable and non-renewable resources giving two examples of each.
- Define Biodiversity. Why is it to be conserved?
- List two endangered and two endemic species of India.
- What are the environmental effects of ground water exploitation?
- Define Environmental Pollution.
- What is meant by environmental ethics?
- With an example define Acid Rain.
- What is meant by Noise Pollution? How is it measured?
- How are family welfare programmes important in environmental management?
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SECTION-B
- “Water is in a constant state of motion”. Discuss with specific reference to hydrologic cycle. Also, establish the importance of water conservation.
- Discuss the energy flow through a desert ecosystem.
- Discuss climate change and global warming.
- Explain how environmental degradation is a human rights issue?
- Discuss the sources and control measures of air pollution.
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SECTION-C
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- Explain characteristics of Ecological Pyramids with examples of TWO typical ecological pyramids.
- List and discuss the different environmental laws in India. Discuss the salient provisions.
- Write notes on :
- Soil Pollution
- Eutrophication
- Thermal pollution
- Wind energy
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Sc (ATHM) 2020 March Previous Question Papers