Indian Geography
Which among the following steps are useful to prevent soil erosion?1. Afforestation2. Contour Ploughing3. Prohibition of shifting cultivation4. Flood controlChoose the correct option from the codes given below :
The useful steps to prevent soil erosion are Afforestation, Contour Ploughing, Prohibition of shifting cultivation, Flood control, Restoration of long fallow, reclamation of alkaline and saline soil.
The Central Himalayas encompasses the areas with the highest topographic relief. The Central Himalayas is again separated into four zones:The High Himalayan Crystalline Sequence (HHCS)The Tethys Himalaya (TH)The Nyimaling-Tso Morari Metamorphic Dome (NTMD)The Lamayuru and Markha Units (LMU)
All given statements are correct Growing of two or more than two crops simultaneously on the same piece of land is called inter-cropping. It yields higher productivity per unit area. It is mostly prevalent in plantation crops like coconut and areca nut. Main objectives of intercropping are:Insurance against total crop failure under aberrant weather conditions or pest epidemicsIncrease in total productivity per unit land areaJudicious utilization of resources such as land, labor and inputs
The main reason for the earthquakes in India is the tectonic movement. The Indian plate is continuously hitting at Asia plate at a rate of approximately 47 mm/year (anticlockwise).
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