Balochistan Board > 12th > Biology (Total Videos: 508)

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Chapter 27: Man and His Environments (21 videos)  (Practice Test)
27.1: Renewable and Non-Renewable Resources  (Practice Test)
  1. Renewable and Non-Renewable Resources
  2. Renewable Resources (Land and Wildlife)
  3. Tidal Power and Wind Power
  4. Solar energy
  5. Geothermal Power
  6. Nuclear Power
  7. Conventional Energy Resources
  8. Non - Conventional Energy Resources
27.2: Human Impact on Enviroment
  1. (No vidoes available yet. Still under development.)
27.3: Human population & resources  (Practice Test)
  1. Deforestation, Soil Erosion
27.4: Stratospheric Ozone Depletion  (Practice Test)
  1. Ozone Layer Deplition
  2. Depletion of Ozone
27.5: Green House Effect  (Practice Test)
  1. Green House Effect
  2. Global Warming
  3. Effect of Global Warming
  4. Carbon Dioxide and Global warming
27.6: Acid Rain  (Practice Test)
  1. Acid Rain
  2. Mechanism of Acid Rain
  3. Effect of Acid Rain
27.7: Water Pollution  (Practice Test)
  1. Water Pollution
  2. Effects of Water Pollution
  3. Land Pollution
27.8: Disease In Man
  1. (No vidoes available yet. Still under development.)

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