Ecosystems, pollution control and sustainable development
Notes, papers, solutions, question banks, practical files and viva questions.
Complete last 10 year previous year question papers (2025 to 2015), year-wise, all in one ZIP.
Every previous-year question (last 10 years, AKTU) organised UNIT-WISE as per the official syllabus — PDF and an editable Word file. Perfect for last-minute revision and spotting repeated questions.
Unit I
Environment and Ecosystem: Definition, types, components and segments of environment, Scope and importance, Need for public awareness. Ecosystem: definition, types, structure, Food chain, Food web, Ecological pyramid, Balanced ecosystem. Effects of human activities (food, shelter, housing, agriculture, industry, mining, transportation) on environment, Environmental Impact Assessment, Sustainable development.
Unit II
Natural Resources: Classification. Water resources — availability, sources and quality aspects, water-borne and water-induced diseases, fluoride and arsenic problems. Mineral resources, Material cycles — carbon, nitrogen and sulfur. Energy resources — conventional and non-conventional sources. Forest resources — availability, depletion, environmental impact.
Unit III
Pollution: Public health aspects of environment, Water pollution, Air pollution, Soil pollution, Noise pollution, Solid waste management.
Unit IV
Current Environmental Issues: Global warming, Green house effects, Climate change, Acid rain, Ozone layer formation and depletion, Population growth and automobile pollution, Burning of paddy straw.
Unit V
Environmental Protection: Environmental Protection Act 1986, Initiatives by NGOs, Human population and the environment — population growth, environmental education, women education.
As per the latest AKTU syllabus — cross-check electives with your college.
Where can I download Environment and Ecology (BAS104) notes for AKTU?
This page has upcoming Environment and Ecology notes for AKTU B.Tech 1st Year semester 1, aligned with the latest AKTU syllabus. Free resources download instantly; premium ones unlock right after payment.
Are previous year question papers (PYQ) available for Environment and Ecology?
Yes — 1 previous year question paper resource is available for Environment and Ecology (BAS104) on this page, so you can see exactly what AKTU asks and repeats.
Which semester is Environment and Ecology taught in for 1st Year?
Environment and Ecology (BAS104) is a semester 1 subject in the AKTU B.Tech First Year (Common) (1st Year) curriculum.
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