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JENPAS UG 2025 Environmental Chemistry Solved Questions PDF

The important topics from Environmental Chemistry from where questions are mostly asked in JENPAS UG are Greenhouse gases & global warming, Eutrophication, Bioremediation techniques, Heavy Metals, Environmental laws & regulations etc. You must solve as many MCQs from these topics. 

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Environmental Chemistry Questions for JENPAS UG 2025 are majorly concentrated to topics like Greenhouse gases & global warming, Eutrophication, Bioremediation techniques, Heavy Metals, Environmental laws & regulations, Chromatographic methods, Bioaccumulation & biomagnification, Persistent Organic Pollutants etc. The mentioned topics are high weightage topics from where you can expect around 6 to 7 questions in the exam. In order to prepare effectively for the entrance exam you need to practice MCQs on a daily basis along with the previous year question papers. You must check this article for more questions and solutions from this topic.
Also check: JENPAS UG 2025 Exam Preparation Tips

JENPAS UG Environmental Chemistry Questions

You can check the PDF for all questions and Environmental Chemistry Answers.

JENPAS UG 2025 Environmental Chemistry Questions - PDF Download

Important Topics for JENPAS UG 2025 Environmental Chemistry

You must check the following important topics from the table below.

Topics

Important Sub-Topics

Air Pollution

  • Sources: Natural & Anthropogenic
  • Major pollutants: CO, CO₂, SO₂, NOx, particulate matter, ozone
  • Greenhouse gases & global warming
  • Acid rain: formation, effects, control
  • Smog: London smog vs Photochemical smog
  • Air quality index (AQI) & standards

Water Pollution

  • Sources: Industrial, domestic, agricultural
  • Types of pollutants: organic, inorganic, microbial
  • Eutrophication
  • Water quality parameters: BOD, COD, DO, pH, TDS
  • Drinking water standards (WHO, BIS)

Soil Pollution

  • Types: heavy metals, pesticides, fertilizers, plastic residues
  • Effects on soil fertility & crop yield
  • Bioremediation techniques

Noise Pollution

  • Sources & effects on humans
  • Standards & control measures

Carbon Cycle

Role of CO₂ in climate change

Nitrogen Cycle

Nitrification, denitrification, nitrogen fixation

Sulfur & Phosphorus Cycles

Environmental impacts of S & P compounds

Heavy Metals

Lead, Mercury, Cadmium, Arsenic: sources, toxicity, bioaccumulation

Ozone Layer

  • Ozone formation & depletion
  • Role of CFCs, HCFCs, and ozone-depleting substances
  • Consequences of ozone depletion

Green Chemistry & Environmental Protection

  • Principles of green chemistry
  • Renewable energy sources: solar, wind, bioenergy

Waste management

  • Solid, liquid, and hazardous waste
  • Recycling, composting, incineration

Environmental laws & regulations

  • Environment Protection Act, 1986
  • Air & Water Act
  • Stockholm & Kyoto protocols
  • Paris Agreement

Analytical Techniques in Environmental Chemistry

  • Spectroscopic methods: UV-Vis, AAS (Atomic Absorption Spectroscopy), ICP-OES
  • Chromatographic methods: HPLC, GC
  • Detection of pollutants: heavy metals, pesticides, organic pollutants
  • Soil and water testing techniques

Climate Change & Global Environmental Issues

  • Global warming & greenhouse effect
  • Climate change impacts on ecosystems
  • Carbon footprint & mitigation strategies
  • Acid rain, smog, ozone depletion
  • Renewable vs non-renewable energy sources

Industrial & Agricultural Pollution

  • Industrial effluents & air emissions
  • Pesticides, herbicides, fertilizers
  • Bioaccumulation & biomagnification
  • Persistent Organic Pollutants (POPs)

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