Environmental Science MCQs for Lecturer, Assistant Professor & Subject Specialist Exams

Meaning and Scope of Environmental Science Components of Environment Ecosystem Biotic and Abiotic Factors Biosphere Biomes Atmosphere Hydrosphere Lithosphere Ecological Balance

Food Chain Food Web Trophic Levels Primary Producers Primary Consumers Secondary Consumers Tertiary Consumers Herbivores Carnivores Omnivores Decomposers Ecological Succession Climax Community Perennial Plants

Biodiversity Tropical Rain Forests Temperate Forests Taiga Forests Desert Biome Grassland Ecosystem Aquatic Ecosystem Marine Ecosystem Benthic Organisms Phytoplankton Zooplankton Coral Reefs Exotic Species

Layers of Atmosphere Troposphere Stratosphere Mesosphere Thermosphere Ozonosphere Atmospheric Pressure Air Density Environmental Lapse Rate (ELR) Adiabatic Lapse Rate (ALR) Climate Change Weather Forecasting Statistical Downscaling Regional Climate Models (RCMs)

Sources of Air Pollution Point Source Pollution Non-Point Source Pollution Mobile Sources of Pollution Aerosols Smog PAN (Peroxyacetyl Nitrate) Greenhouse Gases Carbon Dioxide (COâ‚‚) Methane (CHâ‚„) Nitrous Oxide (Nâ‚‚O) Sulphur Dioxide (SOâ‚‚) Nitrogen Oxides (NO and NOâ‚‚) Thermal Pollution Noise Pollution Acid Deposition Acid Rain Corrosion due to Air Pollution

Water Pollution Marine Pollution Wastewater Treatment Preliminary Treatment Primary Treatment Secondary Treatment Tertiary Treatment Chlorination Biological Oxygen Demand (BOD) Eutrophication Oil Pollution Oil Slicks Sea Level Rise Runoff Aquatic Nutrient Cycles

Solid Waste Wet Waste Dry Waste Garbage Rubbish Composting Incineration Landfills Recycling Waste Processing Waste Collection Solid Waste Disposal

Global Warming Greenhouse Effect Greenhouse Gas Emissions Sea Level Rise Vulnerability to Climate Change Adaptive Capacity Ozone Depletion Chlorofluorocarbons (CFCs) UV-B Radiation Chlorine Free Radicals Equivalent Effective Stratospheric Chlorine (EESC)

Renewable Energy Non-Renewable Energy Fossil Fuels Coal Oil and Gas Wind Energy Solar Energy Hydropower Fuel Cells Hydrogen Fuel Biofuels Energy Efficiency

Toxic Substances Toxicity Xenobiotic Chemicals Heavy Metals Lindane Toxaphene Hexachlorobenzene Exposure Markers Threshold Limit Value (TLV) Dosage and Lethality

Natural Resources Renewable Resources Non-Renewable Resources Deforestation Reforestation Soil Erosion Logging Desertification Water Conservation Sustainable Development

Rio Declaration on Environment and Development Environmental Policies Clean Development Mechanism (CDM) European Union (EU) Environmental Policies Climate Agreements Environmental Governance

Hurricanes Tropical Cyclones Tornadoes Floods Volcanoes Earthquakes Avalanches Environmental Health Hazards

ppm (Parts Per Million) Decibel (dB) Celsius Scale Atmospheric Pressure Units Energy Units pH Scale Temperature Measurement