Khyber Pakhtunkhwa Board > 9th > General Science (Total Videos: 337)

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Chapter 6: Environment and Natural Resources (32 videos)  (Practice Test)
6.1: Earth's Atmosphere
  1. Introduction to Atmosphere
  2. Composition of Atmosphere
  3. Layers of Atmosphere
  4. Troposphere
  5. Stratosphere
  6. Mesosphere
  7. Thermosphere
  8. Depletion of Ozone
  9. Effect of Ozone Depletion
  10. Green House Effect
  11. Effect of Global Warming
6.2: Environmental Pollution  (Practice Test)
  1. Pollutants
  2. More on Pollutants
  3. Sources of Air Pollutants
  4. Water pollutents,Oxygen-Demanding Or Industrial Effluents
  5. Agricultural Water Pollutants
  6. Water Pollutants - Synthetic Organic Compounds
  7. Nutrient and Thermal Water Pollution
  8. Effects of Water Pollution
6.3: Minerals and Fossil Fuels
  1. Coal
  2. Petroleum
  3. Natural Gas
  4. Occurrence of Iron
6.4: Conservation of Natural Resources
  1. Advantages of Recycling
6.5: Agriculture and Crops of Pakistan
  1. Cereal Crops, Poultry, Dairy
  2. Cereal Crops
6.6: Dairy Farming and its importance
  1. Fish Farming, Fuel
6.7: Wildlife and National Parks
  1. (No vidoes available yet. Still under development.)
6.8: Endangered Species  (Practice Test)
  1. Endangered Species
6.9: Marine Resources
  1. (No vidoes available yet. Still under development.)
6.10: Population of Pakistan
  1. (No vidoes available yet. Still under development.)
6.11: Effects of Rising Population on Environment  (Practice Test)
  1. Components of Ecosystem
  2. Acid Rain
  3. Deforestation, Soil Erosion
  4. Control of Pollution
 

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