MPPSC MAINS 2021 Paper-I

Points to Remember: Diverse Applications: Geospatial information has applications across numerous sectors. Technological Advancements: The use of GIS and remote sensing technologies is crucial. Data Integration: Combining geospatial data with other data types enhances its value. Ethical Considerations: Data privacy and accuracy are paramount. Introduction: Geospatial information refers to any data that can be linked … Read more

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Points to Remember: Arsenic’s chemical properties and toxicity. Natural and anthropogenic sources of arsenic. Health effects of arsenic exposure. Mitigation and remediation strategies. Introduction: Arsenic (As) is a metalloid, a chemical element that sits on the border between metals and nonmetals in the periodic table. It exists in various forms, with inorganic arsenic being significantly … Read more

Points to Remember: Hazards are potential sources of harm or danger. Disasters are the actual realization of hazards, resulting in significant harm and disruption. The distinction lies in the occurrence of an event and its impact. Vulnerability and capacity influence the transformation of a hazard into a disaster. Introduction: The terms “hazard” and “disaster” are … Read more

Points to Remember: Remote sensing utilizes various sensors to acquire data about the Earth’s surface without physical contact. Applications span diverse Earth resource management sectors. Data analysis requires specialized techniques and software. Ethical considerations and data accessibility are crucial. Introduction: Remote sensing, the science and art of obtaining information about an object or phenomenon without … Read more

Points to Remember: Location: Madhya Pradesh, India Environmental Concerns: Potential impact on water resources, biodiversity, and displacement of communities. Economic Benefits: Potential revenue generation, job creation, and infrastructure development. Social Impacts: Displacement, resettlement challenges, and potential for conflict. Regulatory Framework: Compliance with environmental laws and social impact assessments. Introduction: Madhya Pradesh, a central Indian state, … Read more

Points to Remember: Ministry of Tribal Affairs (MoTA) schemes for Particularly Vulnerable Tribal Groups (PVTGs) in Madhya Pradesh. Identification criteria for PVTGs. Specific scheme details and benefits. Introduction: The Ministry of Tribal Affairs (MoTA), Government of India, implements various schemes aimed at the socio-economic development of Scheduled Tribes (STs). A subset of STs, known as … Read more

Points to Remember: Sustainable mining practices Technological advancements Policy reforms and regulations Public awareness and participation Recycling and reuse of minerals Introduction: India is rich in diverse mineral resources, crucial for its economic growth and development. However, unsustainable mining practices, coupled with increasing demand, threaten the long-term availability of these vital resources. The depletion of … Read more

Points to Remember: Plate tectonics and magma Convergent, divergent, and hot spot volcanism Stages of volcanic formation Types of volcanoes Introduction: Volcanoes are geological formations that occur when molten rock (magma) from the Earth’s interior reaches the surface. This process, driven primarily by plate tectonics and mantle plumes, results in the eruption of lava, ash, … Read more

Points to Remember: Geographical location and extent of the Luni River. River’s hydrological characteristics (flow, seasonality). Major tributaries and catchment area. Ecological significance and biodiversity. Socio-economic importance (water resource for human use and agriculture). Environmental challenges facing the river. Introduction: The Luni River is a significant, albeit ephemeral, river in the western Indian state of … Read more