JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech II ENVIRONMENTAL STUDIES Previous Question Paper (November/December - 2018 - R15)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
Part A
Distinguish between producers and consumers.
Answer
Producers (autotrophs) are organisms that synthesize their own food from inorganic substances using sunlight or chemical energy. Consumers (heterotrophs) are organisms that cannot produce their own food and must obtain energy by consuming producers or other consumers.
What is a food chain? How does it differ from food web?
Answer
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. A food web is a complex network of interconnected food chains within an ecosystem. While a food chain represents a single path of energy flow, a food web illustrates the multiple, overlapping feeding relationships that provide greater ecosystem stability.
Write the importance of forests.
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Mention few drought mitigation measures.
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Define Biodiversity.
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Describe Aesthetic value of biodiversity.
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Define Air Pollution.
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Give drinking water quality standards for fluorides and write the significance.
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Define Bio-medical waste.
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What is Sustainable Development?
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Part B
Define the term Ecosystem. Write the functions of an Ecosystem.
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With neat sketch, describe biogeochemical cycles.
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Describe the biotic structure of an ecosystem.
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Write the environmental effects of extracting and using mineral resources.
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What are the renewable sources of energy? Write a note on Solar energy and its merits.
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Distinguish between genetic species and ecosystem diversity.
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What are hotspots of biodiversity? Mention hotspots of biodiversity in India.
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Explain ex-situ and in-situ measures of conservation of biodiversity.
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Define Water Pollution. Explain various sources of water pollution.
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What is Global Warming? What are its impacts?
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Explain Reduce, Recycle and Recovery principles of solid waste management.
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Write the salient features of The Forest Act.
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"Nature has for man’s needs but not for man’s greeds" Explain.
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