JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech II ENVIRONMENTAL STUDIES Previous Question Paper (September/October - 2023 - R15)
i) Question paper consists of Part A, Part B.
ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions.
iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
What are Non-renewable resources? Give examples.
Answer
Non-renewable resources are natural resources that exist in finite amounts and cannot be replaced by natural means at a pace quick enough to keep up with consumption. Examples include fossil fuels like coal, petroleum, and natural gas, as well as nuclear fuels like uranium.
What is an ecological pyramid? Mention the types of ecological pyramids.
Answer
An ecological pyramid is a graphical representation designed to show the biomass, productivity, or number of organisms at each trophic level in a given ecosystem. The three main types are the pyramid of numbers, the pyramid of biomass, and the pyramid of energy.
What are the measures to be taken for the better management of world’s water resources?
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What are the environmental hazards and health hazards in mining operations?
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What is ecosystem diversity? Mention the importance of ecosystem diversity.
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What are the causes of man – wildlife conflicts? Suggest the ways to minimize the conflicts.
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Explain the causes of global warming.
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What is bioremediation? Mention the advantages and technical challenges in bioremediation process.
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What are the different ways of maintaining “low carbon life style”?
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Define risk assessment. List the strategies for risk assessment.
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Part B
Discuss the scope and importance of an ecosystem.
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Explain the relationship between atmosphere, hydrosphere and lithosphere through hydrological cycle.
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Explain the different trophic levels in food web.
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Discuss the mechanism of flow of energy in the ecosystem by carbon cycle.
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Explain the causes and remedial measures for floods and droughts.
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Discuss the reasons and environmental impacts of deforestation.
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Explain the four stages in mining operations for extracting the minerals.
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What are the environmental impacts of crude oil exploration and refining?
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“India is a mega biodiversity nation”. Explain this statement with data’s.
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Discuss the “Consumptive use values” and “social values” of biodiversity.
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Explain the causes for habitat loss in an ecosystem. Suggest the measures to minimize habitat loss.
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Discuss the concepts of in – situ conservation of biodiversity.
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Discuss the causes of ozone layer depletion. What are the effects of “ozone layer depletion” on human health?
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Explain the reasons for ground water pollution and surface water pollution. Highlight the health hazards of this pollution.
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Discuss the impacts of excess fertilizers and pesticides use on the quality of agricultural land and soil.
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Explain the objectives and conclusions of Kyoto protocol.
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Discuss the sources and safe handling methods of hazardous chemical wastes.
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Explain the stages in Life Cycle assessment (LCA) of a product.
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Explain the legal guidelines of
Water (Prevention and Control of Pollution) Act 1974.
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Air Act.
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