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UGC NET Environmental Science Topic-Wise Test Series | Practice Chapter-Wise MCQs & Mock Tests

Prepare for UGC NET Environmental Science 2025 with our topic-wise test series. Access expertly designed chapter-wise MCQs, previous year questions, and full-length mock tests. Strengthen your concepts, track performance, and boost your NET exam score with detailed explanations and solutions.

Filter: All Unit-I: Fundamentals of Environmental Sciences Unit-II: Environmental Chemistry Unit-III: Environmental Biology Unit-IV: Environmental Geosciences Unit-VI: Environmental Pollution and Control Unit-VIII: Environmental Assessment, Management and Legislation Unit-X: Contemporary Environmental Issues

Classification and periodic properties of elements

CategoryUnit-II: Environmental Chemistry
Questions50
Time Limit50 mins

Stoichiometry and chemical calculations

CategoryUnit-II: Environmental Chemistry
Questions52
Time Limit52 mins

Gibbs energy, chemical potential, and thermodynamics of reactions

CategoryUnit-II: Environmental Chemistry
Questions59
Time Limit59 mins

Chemical kinetics and rate of reactions

CategoryUnit-II: Environmental Chemistry
Questions51
Time Limit51 mins

Chemical equilibria and factors affecting equilibrium

CategoryUnit-II: Environmental Chemistry
Questions54
Time Limit54 mins

Solubility of gases in water and the carbonate system

CategoryUnit-II: Environmental Chemistry
Questions54
Time Limit54 mins

Chemistry of unsaturated and saturated hydrocarbons

CategoryUnit-II: Environmental Chemistry
Questions46
Time Limit46 mins

Radioisotopes and their environmental significance

CategoryUnit-II: Environmental Chemistry
Questions62
Time Limit62 mins

Composition of air and structure of the atmosphere

CategoryUnit-II: Environmental Chemistry
Questions46
Time Limit46 mins

Particles, ions, and radicals in the atmosphere and their roles

CategoryUnit-II: Environmental Chemistry
Questions60
Time Limit60 mins

Chemical speciation in atmospheric systems

CategoryUnit-II: Environmental Chemistry
Questions40
Time Limit40 mins

Formation of inorganic and organic particulate matter in the atmosphere

CategoryUnit-II: Environmental Chemistry
Questions46
Time Limit46 mins

Thermochemical and photochemical reactions in the atmosphere

CategoryUnit-II: Environmental Chemistry
Questions57
Time Limit57 mins

Oxygen and ozone chemistry and the ozone layer

CategoryUnit-II: Environmental Chemistry
Questions53
Time Limit53 mins

Photochemical smog formation and control

CategoryUnit-II: Environmental Chemistry
Questions52
Time Limit52 mins

Hydrological cycle and chemistry of natural waters

CategoryUnit-II: Environmental Chemistry
Questions54
Time Limit54 mins

Water as a universal solvent and its physicochemical properties

CategoryUnit-II: Environmental Chemistry
Questions52
Time Limit52 mins

Concepts of DO, BOD, and COD in water quality assessment

CategoryUnit-II: Environmental Chemistry
Questions55
Time Limit55 mins

Water treatment processes: sedimentation, coagulation, flocculation, and filtration

CategoryUnit-II: Environmental Chemistry
Questions47
Time Limit47 mins

pH and redox potential (Eh) in environmental systems

CategoryUnit-II: Environmental Chemistry
Questions41
Time Limit41 mins

Inorganic and organic components of soils

CategoryUnit-II: Environmental Chemistry
Questions56
Time Limit56 mins

Biogeochemical cycles of nitrogen, carbon, phosphorus, and sulphur

CategoryUnit-II: Environmental Chemistry
Questions50
Time Limit50 mins

Toxic chemicals and environmental contamination

CategoryUnit-II: Environmental Chemistry
Questions51
Time Limit51 mins

Pesticides: classification, persistence, and biological effects

CategoryUnit-II: Environmental Chemistry
Questions51
Time Limit51 mins

Biochemical effects of heavy metals (Hg, Cd, Pb, Cr) and metalloids (As, Se)

CategoryUnit-II: Environmental Chemistry
Questions50
Time Limit50 mins

Airborne toxic substances: CO, O3, PAN, VOC, and POP

CategoryUnit-II: Environmental Chemistry
Questions47
Time Limit47 mins

Carcinogenic compounds in the atmosphere

CategoryUnit-II: Environmental Chemistry
Questions41
Time Limit41 mins

Principles and applications of analytical methods in environmental chemistry

CategoryUnit-II: Environmental Chemistry
Questions59
Time Limit59 mins

Titrimetry and gravimetry

CategoryUnit-II: Environmental Chemistry
Questions55
Time Limit55 mins

Bomb calorimetry and energy determination

CategoryUnit-II: Environmental Chemistry
Questions40
Time Limit40 mins

Chromatographic techniques: paper, TLC, GC, and HPLC

CategoryUnit-II: Environmental Chemistry
Questions53
Time Limit53 mins

Flame photometry and spectrophotometric methods (UV-VIS, AAS, ICP-AES, ICP-MS)

CategoryUnit-II: Environmental Chemistry
Questions48
Time Limit48 mins

Electrophoresis and separation techniques

CategoryUnit-II: Environmental Chemistry
Questions55
Time Limit55 mins

Instrumental methods: XRF, XRD, NMR, and FTIR

CategoryUnit-II: Environmental Chemistry
Questions54
Time Limit54 mins

Advanced analytical techniques: GC-MS, SEM, and TEM

CategoryUnit-II: Environmental Chemistry
Questions51
Time Limit51 mins