CGPSC MAINS 2018 Paper-4

Points to Remember: The detrimental effects of solid waste on human health, the environment, and the economy. Various methods for controlling and managing solid waste, including prevention, reduction, reuse, recycling, and disposal. The importance of integrated solid waste management strategies. Introduction: Solid waste, encompassing discarded materials from various sources, poses a significant global challenge. The … Read more

Points to Remember: Join Our Telegram Channel Nuclear pollution is the contamination of the environment by radioactive materials. Sources include nuclear accidents, weapons testing, and nuclear waste disposal. Effects range from immediate health problems to long-term genetic damage and environmental contamination. Control measures involve stringent safety regulations, waste management, and international cooperation. Introduction: Subscribe on … Read more

Points to Remember: Human encroachment on wildlife habitats. Competition for resources (food, water). Human-wildlife conflict (HWC) impacts on both humans and wildlife. Mitigation strategies and conservation efforts. Introduction: The conflict between man and wildlife, often termed Human-Wildlife Conflict (HWC), is a complex and escalating global issue. It arises from the increasing overlap between human activities … Read more

Please provide the table showing core infrastructure investments in two districts. I need the data from the table to answer the question. Once you provide the table, I will be able to craft a comprehensive response following the structure you’ve outlined. The keywords will be identified from the table’s contents, and the approach will be … Read more

Points to Remember: Join Our Telegram Channel The primary reaction in a blast furnace is the reduction of iron oxides to metallic iron. Coke (carbon) acts as the reducing agent. Hot air is blown in to provide oxygen for combustion and maintain high temperatures. Several other chemical reactions occur simultaneously, including the formation of slag. … Read more

Points to Remember: Semiconductors are materials with electrical conductivity between conductors and insulators. A p-n diode is a fundamental semiconductor device formed by joining p-type and n-type semiconductors. The p-n diode allows current flow in one direction (forward bias) and blocks it in the other (reverse bias). Introduction: Semiconductors are the backbone of modern electronics. … Read more

Points to Remember: Subscribe on YouTube The main organs of the human respiratory system are the nose, pharynx, larynx, trachea, bronchi, lungs, and diaphragm. The respiratory system’s primary function is gas exchange – taking in oxygen and releasing carbon dioxide. The system is intricately structured to maximize surface area for efficient gas exchange. Introduction: Join … Read more

Points to Remember: The original sequence has 7 terms in descending order. The mean of the original sequence is 80. 20 is added to each term, and then each term is divided by 2. We need to find the difference between the new mean (M) and the original mean (80). Introduction: This question involves a … Read more

Points to Remember: Join Our Telegram Channel LPG’s composition and properties. Sources of LPG. Extraction and processing methods. Safety considerations related to LPG handling and storage. Introduction: Subscribe on YouTube Liquefied Petroleum Gas (LPG) is a flammable mixture of hydrocarbon gases, primarily propane and butane, used as a fuel in various applications. It’s a versatile … Read more

Points to Remember: Join Our Telegram Channel Geographical distribution of biodiversity hotspots in India. Endemic species and their significance. Threats to these hotspots. Conservation efforts and strategies. Introduction: India is one of the world’s 17 megadiverse countries, boasting exceptional biodiversity. This richness is not uniformly distributed; certain areas exhibit significantly higher concentrations of endemic species … Read more