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Welcome to ANSS Academy, your trusted destination for UGC NET preparation.
If you're aspiring to qualify for the UGC NET Environmental Science 2025 (Subject Code 89), this complete guide is for you.
The exam tests your expertise in ecological principles, pollution control, resource management, and sustainability. Conducted by NTA (National Testing Agency), it opens doors for Assistant Professor and Junior Research Fellowship (JRF) positions in universities, research centers, and policy institutions.
🧭 UGC NET Environmental Science 2025 Exam Overview
- Conducted By: NTA (National Testing Agency)
- Exam Date (June 2025): 25th June, Shift 1 (9:00 AM – 12:00 PM)
- Next Session: December 2025 / January 2026
- Exam Mode: Computer-Based Test (CBT)
- Duration: 3 hours
- Languages: English & Hindi
Eligibility Criteria:
- Master’s degree in Environmental Science / Life Sciences / Allied fields.
- 55% marks (50% for SC/ST/OBC-NCL/PwD/Transgender).
- Age Limit (JRF): 30 years (Relaxation: 5 years for reserved/women candidates).
- No age limit for Assistant Professor.
✅ Clearing the exam opens paths in research, academia, and environmental policy development.
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🧩 Exam Pattern & Marking Scheme
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| Paper | Subject | No. of Questions | Marks | Nature |
|---|---|---|---|---|
| Paper I | Teaching & Research Aptitude | 50 | 100 | Common for all subjects |
| Paper II | Environmental Science | 100 | 200 | Subject-specific |
| Total | – | 150 | 300 | Objective MCQs |
- +2 marks for each correct answer.
- No negative marking.
- Qualifying Marks:
- General/EWS/OBC-NCL: 40% (120/300)
- SC/ST/PwD/Transgender: 35% (105/300)
📊 UGC NET Environmental Science 2025 Exam Analysis (June Session)
- Overall Difficulty: Moderate
- Paper I: Easy to Moderate — good attempts: 40–45
- Paper II: Moderate — balanced coverage across topics
Topic-wise Weightage (Approx):
- 🌱 Fundamentals & Biology: 20–25%
- ☣️ Pollution & Control: 25%
- 🌋 Geosciences & Energy: 20%
- 🧾 Waste & Legislation: 15–20%
- 📈 Statistics & Issues: 10–15%
Key Insights:
- Questions linked multiple topics (e.g., geochemical cycles + pollution).
- Numerical problems appeared in statistics (e.g., BOD/DO calculations).
- Emphasis on sustainability, EIA, and current environmental missions.
🎯 Expected Safe Scores:
- Assistant Professor – 115–125 marks
- JRF – 135+ marks
📚 UGC NET Environmental Science Syllabus 2025 (Paper 2)
The syllabus comprises 10 major units, covering scientific, technical, and policy dimensions.
Unit 1 – Fundamentals of Environmental Science
- Interdisciplinary scope, sustainability ethics, meteorology, biogeography, GIS/remote sensing.
Unit 2 – Environmental Chemistry
- Biogeochemical cycles, pollutants, spectroscopy, redox reactions, soil and water chemistry.
Unit 3 – Environmental Biology
- Ecosystem dynamics, biodiversity, toxicology, bioremediation, bioindicators.
Unit 4 – Environmental Geosciences
- Earth systems, soil formation, hydrology, hazard mitigation, paleoclimate studies.
Unit 5 – Energy & Environment
- Conventional & renewable energy, GHG emissions, bioenergy, energy conservation.
Unit 6 – Environmental Pollution & Control
- Air, water, noise, and thermal pollution; standards; control technologies; wastewater treatment.
Unit 7 – Solid & Hazardous Waste Management
- Waste segregation, recycling, composting, landfill design, e-waste & biomedical disposal.
Unit 8 – Environmental Assessment & Legislation
- EIA, EMP, ISO 14000, key laws (EPA 1986, Wildlife Act 1972), international treaties.
Unit 9 – Statistical Approaches & Modelling
- Probability, ANOVA, regression, simulation models, risk assessment.
Unit 10 – Contemporary Environmental Issues
- Climate change, SDGs, renewable missions, major disasters, conservation movements.
📄 Download the official NTA syllabus PDF for full details.
🧠 Previous Year Questions (PYQs)
PYQs from 2004–2024 show recurring patterns:
- 25–30% questions on Pollution & Chemistry
- 15–20% on Legislation & Current Issues
Tips for PYQ Practice:
- Solve 5–10 years’ papers in exam-like conditions.
- Track topic trends (e.g., NAPCC, EIA, SDGs).
- Use PYQs for time management & conceptual accuracy.
🔹 ANSS Academy integrates PYQs in topic-wise drills for effective preparation.
🏆 Preparation Strategy for UGC NET Environmental Science 2025
📅 Study Plan (4–6 Months):
- Weekly rotation through 2–3 units.
- Prioritize Pollution, Ecology, and Contemporary Issues.
📘 Study Resources:
- Manahan – Environmental Chemistry
- Odum – Fundamentals of Ecology
- NTA modules & environmental reports (IPCC, UNEP).
📈 Practice Routine:
- 50+ MCQs daily + 2 mocks weekly.
- Revise numerical & factual topics biweekly.
- Link theory with current events (e.g., COP Summits).
💡 Wellness Tip:
Balance study with outdoor observation – nature often explains what books can’t.
🌏 Final Words
The UGC NET Environmental Science 2025 exam is not just a test of knowledge — it’s a step toward shaping sustainable futures.
With dedication, smart strategy, and guidance from ANSS Academy, success is well within your reach.
Good luck! Stay motivated, stay eco-smart. 🌿
