MPPSC MAINS 2020 Paper-I

Points to Remember: Sources of groundwater pollution are diverse, ranging from natural processes to human activities. Pollution impacts water quality, threatening human health and ecosystems. Mitigation strategies require integrated approaches involving prevention, remediation, and regulation. Introduction: Groundwater, a vital resource providing drinking water for billions and supporting various ecosystems, is increasingly threatened by pollution. The … Read more

Points to Remember: Geographical factors influencing jute mill location. Availability of raw materials. Proximity to transportation networks. Historical factors and legacy. Socio-economic factors. Introduction: The concentration of jute mills in the Hooghly basin of West Bengal, India, is a result of a confluence of geographical, economic, and historical factors. Jute, a natural fiber used primarily … Read more

Points to Remember: Geographic location and extent of forests in Madhya Pradesh. Types of forests (tropical moist deciduous, tropical dry deciduous, etc.). Biodiversity – flora and fauna. Forest cover percentage and its change over time. Major threats to forest resources (deforestation, encroachment, etc.). Conservation efforts and policies. Socio-economic importance of forests. Introduction: Madhya Pradesh, a … Read more

Points to Remember: Temperature range Rainfall patterns Vegetation types Soil characteristics Location and distribution Human impact and adaptation Introduction: Tropical savanna climates are characterized by distinct wet and dry seasons, high temperatures year-round, and a landscape dominated by grasslands with scattered trees. They represent a transitional zone between tropical rainforests and deserts, occupying vast areas … Read more

Points to Remember: Parent Material: The type of rock undergoing weathering significantly influences laterite formation. Climate: High temperatures and abundant rainfall are crucial. Drainage: Well-drained conditions are essential for laterite development. Vegetation: The type and density of vegetation impact the process. Chemical Weathering: Intense leaching and oxidation are key processes. Introduction: Laterite soil is a … Read more

Points to Remember: QuickBird’s high-resolution imagery capabilities. Its commercial application in various sectors. Technological advancements incorporated in QuickBird. Limitations and successors of QuickBird. Introduction: QuickBird, launched in 2001, was a high-resolution commercial Earth observation satellite. It represented a significant leap forward in commercially available satellite imagery, offering unprecedented detail and clarity compared to its predecessors. … Read more

The question, “Section B – Short Answer Type Questions (10×5=50),” is not a question in itself but rather a description of a section within a larger exam or assessment. Therefore, it cannot be answered directly. It requires the specific short answer questions within Section B to be provided before a response can be formulated. To … Read more

Points to Remember: Three principal types of weathering: Physical, Chemical, and Biological. Each type involves different processes and results in different changes to rocks. Weathering is a crucial process in the rock cycle and soil formation. Introduction: Weathering is the breakdown of rocks, soil, and minerals at the Earth’s surface, through direct contact with the … Read more

Points to Remember: Definition and orbital characteristics of sun-synchronous satellites. Advantages and disadvantages of sun-synchronous orbits. Examples of sun-synchronous satellites and their applications. Importance of sun-synchronous satellites for Earth observation. Introduction: Sun-synchronous satellites are a special class of Earth-orbiting satellites designed to maintain a consistent relationship with the sun. Unlike geostationary satellites that hover over … Read more

Points to Remember: Central Processing Unit (CPU) Random Access Memory (RAM) Storage Devices (Hard Disk Drive, Solid State Drive) Graphics Processing Unit (GPU) Input Devices (Keyboard, Mouse, Scanner, Digitizer) Output Devices (Monitor, Printer, Plotter) Specialized Hardware (GPS receivers, Digital cameras) Introduction: A Geographic Information System (GIS) is a system designed to capture, store, manipulate, analyze, … Read more