MPPSC MAINS 2023 Paper-III

Points to Remember: Weathering is the breakdown of rocks at or near the Earth’s surface. Physical weathering involves the disintegration of rocks without changing their chemical composition. Several factors contribute to physical weathering, including temperature changes, frost wedging, salt wedging, biological activity, and pressure release. Introduction: Weathering is the process of disintegration and decomposition of … Read more

Points to Remember: ISRO’s history, evolution, and organizational structure. Key achievements and missions. Technological capabilities and future plans. Socio-economic impact and international collaborations. Challenges and future prospects. Introduction: The Indian Space Research Organisation (ISRO) is the national space agency of India, headquartered in Bengaluru. Established in 1969, ISRO has evolved from a modest beginning to … Read more

Points to Remember: Definition and purpose of an energy audit. Types of energy audits. Benefits of conducting an energy audit. The process involved in an energy audit. Challenges and limitations of energy audits. Introduction: An energy audit is a systematic assessment of energy use within a building, industrial process, or transportation system. It identifies areas … Read more

Points to Remember: Definition and purpose of EIA Stages involved in EIA process Benefits and limitations of EIA Case studies of successful and unsuccessful EIAs Role of stakeholders in EIA Future of EIA and improvements needed Introduction: Environmental Impact Assessment (EIA) is a process of evaluating the likely environmental impacts of a proposed project or … Read more

Keywords: Probability, target hitting, independent events. Required Approach: Factual and analytical. This question requires calculating probabilities based on given data and applying probability rules. Points to Remember: Probability of an event = (Favorable outcomes) / (Total outcomes) Independent events: The outcome of one event does not affect the outcome of another. Probability of two independent … Read more

Points to Remember: Key welfare schemes focusing on health in Madhya Pradesh. Target beneficiaries of each scheme. Implementation strategies and challenges. Impact assessment and future improvements. Introduction: Madhya Pradesh, a state in central India, faces significant health challenges, including high maternal and infant mortality rates, malnutrition, and the prevalence of communicable diseases. To address these … Read more

Points to Remember: Definition of a webpage and its components. Key features of a good website (usability, accessibility, content, design, SEO). Examples of websites demonstrating good and bad practices. Introduction: A webpage is a single document or file that is part of a website. It is typically written in HTML (HyperText Markup Language), and viewed … Read more

Points to Remember: Saponification is the process of soap making. Hard water contains high concentrations of minerals. Soap’s cleaning action relies on its ability to form micelles. Mineral ions in hard water interfere with micelle formation. Introduction: Saponification is a chemical process that involves the hydrolysis of fats and oils (triglycerides) using a strong alkali … Read more

Points to Remember: Ingestion Digestion (mechanical and chemical) Absorption Assimilation Egestion Introduction: Digestion is the complex process by which food is broken down into smaller molecules that can be absorbed into the bloodstream and used by the body for energy, growth, and repair. This process involves both mechanical and chemical breakdown, utilizing a variety of … Read more

Points to Remember: Earth’s structure is composed of three main layers: crust, mantle, and core. Each layer has distinct physical properties, chemical composition, and temperature. Understanding these layers is crucial for comprehending plate tectonics, volcanism, and Earth’s magnetic field. Introduction: The Earth, our home planet, is not a uniform sphere. Instead, it’s a complex system … Read more