MPPSC MAINS 2020 Paper-III

Points to Remember: Join Our Telegram Channel Looming is a perceptual phenomenon. It’s influenced by atmospheric conditions. It affects distance perception. It can have safety implications. Introduction: Looming is a visual phenomenon where objects appear closer, larger, and faster-approaching than they actually are. This distortion of perceived distance and size is primarily caused by atmospheric … Read more

Points to Remember: Subscribe on YouTube Nuclear energy is energy released from atomic nuclei. It’s a powerful energy source but carries risks. Its use involves complex technological and political considerations. Safety and waste disposal are major concerns. The future of nuclear energy depends on addressing these challenges. Introduction: Nuclear energy is the energy released during … Read more

Points to Remember: Earth’s internal structure: Crust, mantle, outer core, inner core. Seismic wave behavior: P-waves and S-waves. Properties of solids and liquids: Shear strength, density. Evidence from seismology: Shadow zones and wave propagation. Introduction: The Earth’s interior is inaccessible to direct observation, making its study reliant on indirect methods. Seismology, the study of seismic … Read more

Points to Remember: Arkose’s composition and origin. Distinguishing features from other sandstones. Geological significance and formation environments. Economic importance (if any). Introduction: An arkose is a type of clastic sedimentary rock, specifically a sandstone, characterized by a significant proportion (at least 25%, by some definitions) of feldspar grains. Unlike many sandstones which are predominantly composed … Read more

Points to Remember: Join Our Telegram Channel The question requires the full forms of two acronyms: IUCN and UNEP. The approach is purely factual. No analysis or opinion is needed. Introduction: The question asks for the full forms of two important international organizations involved in environmental conservation and protection. IUCN and UNEP are prominent players … Read more

Points to Remember: Sustainable development balances economic growth, social equity, and environmental protection. It considers the needs of the present without compromising the ability of future generations to meet their own needs. It involves intergenerational equity and intra-generational equity. Implementation requires integrated approaches and global cooperation. Introduction: Sustainable development is a concept that has gained … Read more

Points to Remember: Ocean energy sources: Tidal, wave, and ocean thermal energy conversion (OTEC). Energy conversion methods: Turbines, generators, heat exchangers. Environmental impacts and sustainability considerations. Technological advancements and future prospects. Introduction: The world is increasingly seeking sustainable and renewable energy sources to combat climate change and reduce reliance on fossil fuels. Ocean energy, harnessing … Read more

Points to Remember: Energy management encompasses the efficient use of energy resources. It involves reducing energy consumption while maintaining or improving services. Effective energy management requires a multi-faceted approach, including technological upgrades, behavioral changes, and policy interventions. The goal is to minimize environmental impact and maximize economic benefits. Introduction: Energy management refers to the judicious … Read more

Points to Remember: Energy conservation reduces energy consumption. Reduced consumption lowers energy demand. Lower demand lessens reliance on fossil fuels. Conservation contributes to environmental protection. Conservation can improve energy security. Introduction: Energy conservation refers to the practice of using less energy services to reduce energy consumption. It’s a crucial component of any effective energy strategy, … Read more

Points to Remember: Gold’s unique properties in nanotechnology. Applications of gold nanoparticles in biotechnology. Advantages and limitations of using gold in biotechnological applications. Ethical considerations and future prospects. Introduction: Gold, a precious metal historically associated with wealth and luxury, has found a surprising and significant role in the burgeoning field of biotechnology. Its unique optical, … Read more