Environment and Natural Resources

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Chapter 6: Environment and Natural Resources (45 videos)   (Practice Test)
6.1: Atmosphere(Practice Test)
  1. Introduction to Atmosphere
  2. Composition of Atmosphere
6.2: Different Layers of Atmosphere(Practice Test)
  1. Layers of Atmosphere
  2. Troposphere
  3. Stratosphere
  4. Mesosphere
  5. Thermosphere
6.3: Ozone(Practice Test)
  1. Occurrence of Ozone
  2. Ozone Depletion
  3. Effect of Ozone Depletion
6.4: Green House Effect(Practice Test)
  1. Green House Effect
  2. Global Warming
  3. Effect of Global Warming
6.5: Energy Radiations and Absorbtion in the Atmosphere
  1. Energy Radiation and Absorbtion in Atmosphere
6.6: Human Activity and Disturbance of Climate
  1. Relationship between Human Activity and Climate
6.7: Pollution(Practice Test)
  1. Pollutants
  2. More on Pollutants
  3. Agricultural Water Pollutants
  4. Water pollutents,Oxygen-Demanding Or Industrial Effluents
  5. Disease-Causing Wastes(Domestic Effluents)
  6. Land Pollution
  7. How to Control Pollution?
  8. Control of Pollution
  9. Air Pollution
  10. Types of Pollutants,Oxides
  11. Sulphur Dioxide and Nitrogen Dioxide as Air Pollutants
  12. Pollutants of Nitro Compound
  13. Carbon Monoxide and Chlorofluorocarbons as Air Pollutants
  14. Role of Chlorofluorocarbons in Destroying Ozone
6.8: Occurrence of Fossils and Their Uses
  1. Fossil Fuels
6.9: Coal
  1. Coal
6.10: Petroleum(Practice Test)
  1. Petroleum
  2. Fractional Distillation of petroleum and its Importance
6.11: Natural Gas
  1. Natural Gas
6.12: Natural and Mineral Resources of Pakistan
  1. Minerals of Pakistan
6.13: Conservation of Natural and Mineral Resources in Pakistan
  1. Conservation of Natural and Mineral Resources
6.14: Agriculture(Practice Test)
  1. Agriculture, Foresty
  2. Cereal Crops
  3. Cereal Crops, Poultry, Dairy
  4. Mechanization of Agriculture
  5. Fish Farming, Fuel
6.15: Wildlife(Practice Test)
  1. Endangered Species
6.16: Effects of Rising Population on Environment(Practice Test)
  1. Components of Ecosystem
  2. Deforestation, Soil Erosion
  3. Overpopulation, Urbanization
 

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