MPPSC MAINS 2018 Paper-III

Points to Remember: Definition of Information Technology (IT) Key components of IT infrastructure Various means/methods used in IT (hardware, software, networks, data, processes) Examples of IT applications across different sectors Future trends in IT Introduction: Information Technology (IT) encompasses the use of computers, storage, networking, and other physical devices, infrastructure, and processes to create, process, … Read more

Points to Remember: Non-conventional energy sources are alternatives to traditional fossil fuels. They are generally renewable and environmentally friendly. Each source has its advantages and disadvantages. Introduction: The world is increasingly reliant on energy to power its economies and lifestyles. Traditional sources like coal, oil, and natural gas, while abundant, contribute significantly to climate change … Read more

Points to Remember: Different species of honeybees exist, each with unique characteristics. Honey extraction involves a scientific process that minimizes harm to the bees and maintains hive health. Introduction: Honeybees are crucial pollinators, vital for ecosystem health and agricultural productivity. The genus Apis encompasses several species, each contributing differently to honey production and pollination services … Read more

Points to Remember: Definition of Environmental Pollution Sources of Air Pollution (natural and anthropogenic) Adverse effects of air pollution on living beings (humans, animals, plants) Remedies for air pollution (individual, community, governmental) Introduction: Environmental pollution refers to the contamination of the natural environment through the introduction of harmful substances or pollutants. These pollutants can be … Read more

Points to Remember: Mean: Average value, sensitive to outliers. Median: Middle value, resistant to outliers. Mode: Most frequent value, can have multiple modes or no mode. Introduction: Mean, median, and mode are three fundamental measures of central tendency in statistics. They represent different ways of describing the “typical” or “average” value within a dataset. Understanding … Read more

Points to Remember: Natural Selection as the driving force. Variation within species. Inheritance of traits. Survival of the fittest. Evolution over time. Introduction: Darwinism, also known as the theory of evolution by natural selection, is a scientific theory that explains the diversity of life on Earth. Proposed primarily by Charles Darwin in his seminal work, … Read more

Points to Remember: Cyber defense encompasses preventative measures and reactive responses to cyber threats. Its essentiality stems from the increasing reliance on digital infrastructure and the severity of potential cyberattacks. A multi-layered approach is crucial, involving technology, processes, and people. Effective cyber defense requires collaboration between governments, organizations, and individuals. Introduction: Cyber defense, also known … Read more

Points to Remember: This is a word problem involving ages and ratios. We need to set up algebraic equations to solve for Ramesh’s and his father’s current ages. The solution will involve solving a system of simultaneous equations. Introduction: This question is a classic age problem that tests the ability to translate word problems into … Read more

Points to Remember: Alloys are mixtures of two or more elements, where at least one is a metal. The properties of an alloy differ from the properties of its constituent elements. Alloys are designed to enhance specific properties like strength, corrosion resistance, or ductility. Numerous alloys exist, each with unique applications. Introduction: Alloys are materials … Read more

Points to Remember: Definition and scope of Forensic Science. The role of insects (Entomology) in forensic investigations. Different applications of forensic entomology. Limitations and challenges of using insect evidence. Future directions and advancements in forensic entomology. Introduction: Forensic science is the application of scientific principles and techniques to legal matters. It encompasses a wide range … Read more