#### Which of the following is not a type of soil found in India? 1. [ ] Black soil 2. [ ] Red soil 3. [ ] Alluvial soil 4. [x] Metamorphic soil #### Which of the following is not a factor affecting soil formation? 1. [ ] Climate 2. [ ] Living organisms 3. [ ] Time 4. [x] Volcanic activity #### Which of the following is the major function of soil? 1. [ ] Supporting plant growth 2. [ ] Regulating water cycle 3. [ ] Recycling nutrients 4. [x] All of the above #### Which of the following is not a cause of soil erosion? 1. [ ] Water 2. [ ] Wind 3. [ ] Glaciers 4. [x] Volcanoes #### Which of the following is the most common type of soil in India? 1. [ ] Black soil 2. [ ] Red soil 3. [x] Alluvial soil 4. [ ] Lateritic soil #### Which of the following is the process of adding organic matter to the soil? 1. [ ] Soil erosion 2. [ ] Soil compaction 3. [ ] Soil conservation 4. [x] Soil fertility #### Which of the following is the most important factor affecting soil fertility? 1. [ ] Soil texture 2. [ ] Soil structure 3. [ ] Soil pH 4. [x] Soil organic matter #### Which of the following is the most common type of soil pollution in India? 1. [x] Chemical pollution 2. [ ] Physical pollution 3. [ ] Biological pollution 4. [ ] Radioactive pollution #### Which of the following is not a method of soil conservation? 1. [ ] Terracing 2. [ ] Afforestation 3. [x] Irrigation 4. [ ] Crop rotation