內容
Social Issues and the Environment 7 Lectures | 1 |
Environmental StudiesScope and Importance | 9 |
Natural Resources | 33 |
Role of an individual in conservation of natural resources equitable use of resources | 39 |
Ecosystem | 44 |
Biodiversity and Its Conservation | 75 |
6 | 84 |
vi | 101 |
Human Population and Environment 6 Lectures | 170 |
Field Work 5 Lectures | 191 |
常見字詞
abiotic agriculture air pollution Answer Type Questions aquatic atmosphere bacteria biodiversity biogas biological biomass Biosphere Reserves biotic community called carbon carnivores cause cent chemical Chipko movement chlorofluorocarbons climate climax community components conservation consumers crop cultivation dams Decomposers deforestation degradation depletion dioxide diseases diversity drought earth earthquake ecological ecosystem effects Endangered environment environmental education extinction factors fertility fish floods food chain forest fossil fuels global warming grassland greenhouse gases ground water habitat herbivores human population important increase India industries irrigation Jharkhand land large number materials minerals mining National Park natural resources nitrogen noise pollution nuclear nutrients organic matter oxide ozone layer particles pesticides phytoplankton plants and animals Pradesh present primary programmes protection pyramid radiation radioactive rainfall Rajasthan recycling reduce region rivers saline soil erosion stage Sulphur surface temperature trees trophic level vegetation wastes water logging water pollution wild wildlife Zooplankton