JNTU
JNTU B.Tech III ENVIRONMENTAL MANAGEMENT IN MINES Previous Question Paper (January/February - 2023 - R18)
Note: 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
Define flow of energy.
Answer
The flow of energy refers to the unidirectional transfer of energy through an ecosystem, starting from solar radiation captured by producers (autotrophs) and moving through successive trophic levels in food chains and webs, with a portion of energy lost as heat at each transfer.
Discuss the Scope and Importance of ecosystem.
Answer
The scope of an ecosystem encompasses the study of interactions between biotic communities and their abiotic environment, including energy flow and nutrient cycling. Its importance lies in maintaining ecological balance, providing essential ecosystem services such as water purification, climate regulation, soil formation, and supporting global biodiversity.
What are living resources?
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Discuss the uses of forest resources.
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What are the biotic? Give an example.
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What do you mean by ecosystem diversity?
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What are drinking water quality standards?
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Discuss in brief the ambient air quality standards.
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What do you mean by Green Building?
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Brief about sustainable development.
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PART B
Give Classification, structure and function of an ecosystem in detail.
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Explain the following terms:
Food chains
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Food webs
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Ecological pyramids
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Explain the benefits and problems with dams.
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Explain the environmental effects of extracting and using mineral resources.
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India is a mega diversity nation. Justify the comment in your own words with suitable examples.
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Explain in detail the In-Situ and Ex-situ conservation.
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Explain in detail how automobile and industrial pollution can be controlled.
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List out various sources and types of Soil Pollution and give a brief note on impact of modern agriculture on soil pollution.
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Explain in detail the procedure of obtaining environmental clearances for mining Projects.
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Explain the following terms:
Ecological Foot Print
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Life Cycle Assessment (LCA)
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