MPPSC MAINS 2016 Paper-III

Points to Remember: Primary sexual characteristics are directly involved in reproduction. Secondary sexual characteristics are not directly involved in reproduction but signal sexual maturity. Development of both is influenced by hormones. Variations exist across individuals and genders. Introduction: Sexual characteristics are physical attributes that distinguish between the sexes. They are crucial for reproduction and the … Read more

Points to Remember: Inertia: A body’s resistance to changes in its state of motion. Rest and Uniform Motion: The law applies to both objects at rest and objects moving at a constant velocity. Unbalanced Force: A net force is required to change an object’s state of motion. Introduction: Newton’s Laws of Motion are fundamental principles … Read more

Points to Remember: Human activities are the primary driver of environmental degradation. Degradation manifests in various forms, including pollution, deforestation, and climate change. Addressing environmental degradation requires a multi-faceted approach involving individual actions, government policies, and international cooperation. Introduction: Environmental degradation refers to the deterioration of the environment through depletion of resources like air, water … Read more

Points to Remember: Definition and types of non-conventional energy sources. Advantages and disadvantages of each type. Environmental impact and sustainability. Current status and future potential. Policy implications and recommendations. Introduction: Conventional energy sources, primarily fossil fuels (coal, oil, and natural gas), have powered human civilization for centuries. However, their finite nature, environmental consequences (air and … Read more

Points to Remember: The intrinsic value of the environment. The interconnectedness of environmental issues. The limitations of traditional legal frameworks in addressing environmental problems. The challenges of enforcement and compliance. The role of international cooperation. Introduction: Environmental law is a rapidly evolving field addressing the complex relationship between human activities and the natural environment. The … Read more

Points to Remember: Data interpretation involves extracting meaningful insights from raw data. Tables are a common way to organize and present data for interpretation. Effective interpretation requires understanding data types, trends, and limitations. Context is crucial for accurate interpretation. Introduction: Data interpretation is the process of assigning meaning to collected data. It involves examining, cleaning, … Read more

Points to Remember: Metals are generally good conductors of heat and electricity. Non-metals are generally poor conductors of heat and electricity. Metals are malleable and ductile, while non-metals are usually brittle. Metals tend to lose electrons in chemical reactions, while non-metals tend to gain electrons. Introduction: The periodic table organizes elements based on their properties, … Read more

Points to Remember: Genetic Modification (GM) crops Disease-resistant crops Improved crop yields Sustainable agriculture practices Ethical and environmental concerns Introduction: Biotechnology, the application of biological systems and organisms to develop or make products, has revolutionized agriculture. Its application spans various areas, from improving crop yields and nutritional value to developing pest-resistant varieties and enhancing farming … Read more

Points to Remember: Probability measures the likelihood of an event occurring. It ranges from 0 (impossible) to 1 (certain). Key concepts include sample space, events, and probability distributions. Applications span diverse fields, from science and engineering to finance and gambling. Introduction: Probability theory is a branch of mathematics concerned with the analysis of random phenomena. … Read more

Points to Remember: Aerobic respiration requires oxygen, while anaerobic respiration does not. Aerobic respiration produces significantly more ATP (energy) than anaerobic respiration. Both processes are crucial for energy production in living organisms. Different organisms utilize aerobic and anaerobic respiration to varying degrees. Introduction: Cellular respiration is the process by which cells break down glucose to … Read more