UKPSC 2016 Paper VI

Points to Remember: Key differences between LAN, MAN, and WAN based on geographical area, ownership, and speed. Common network topologies (bus, star, ring, mesh, tree) and their characteristics. Essential network devices (routers, switches, hubs, modems, gateways). Introduction: Computer networks are essential for communication and data sharing. They are broadly classified based on their geographical reach … Read more Differentiate between LAN, MAN, and WAN. Give an example of each. Also, discuss topologies and devices used in computer networks.

Points to Remember: The detrimental effects of solid waste on various environmental components (air, water, soil). The different types of solid waste and their specific impacts. Waste management strategies encompassing reduction, reuse, recycling, and disposal. The role of government policies, public awareness, and technological advancements in effective waste management. Introduction: Solid waste, encompassing discarded materials … Read more Explain the impact of solid waste on our environment and show how it can be managed.

Points to Remember: Wavelength and Energy: The primary difference between soft and hard X-rays lies in their wavelength and energy. Penetration Power: Hard X-rays have higher energy and penetrate deeper than soft X-rays. Applications: X-rays have diverse applications across various fields, leveraging their ability to penetrate matter. Introduction: X-rays are a form of electromagnetic radiation … Read more What is the difference between soft and hard X-Rays? Write down the uses of X-rays in five different areas.

Points to Remember: Different types of drought exist, categorized by their impact on various sectors. Drought impacts are widespread and severe, affecting water resources, agriculture, economy, and human health. Mitigation and adaptation strategies are crucial for managing drought risks. Introduction: Drought, a prolonged period of abnormally low rainfall, leading to a water shortage, is a … Read more Explain the types of drought and discuss its impact.

Points to Remember: The menstrual cycle is a complex process involving hormonal changes and uterine lining preparation for potential pregnancy. It consists of several phases, each characterized by specific hormonal levels and physiological changes. Hormonal imbalances can disrupt the cycle, leading to various menstrual irregularities. Introduction: The menstrual cycle is a recurring physiological process in … Read more What is the menstrual cycle? Write a brief note on its various phases and hormonal control.

Points to Remember: Advantages of DBMS over file processing systems. Functions of a Database Administrator (DBA). Introduction: Data management is crucial for any organization, regardless of size. Historically, data was stored and managed using file processing systems. However, these systems suffer from several limitations. Database Management Systems (DBMS) emerged as a superior alternative, offering significant … Read more What are the advantages of DBMS over a typical file processing system? Also, define the functions of a DBA.

Points to Remember: Definition and properties of plastics. Classification of plastics: Thermoplastics and Thermosetting plastics. Distinguishing characteristics of thermoplastics and thermosetting plastics. Examples of each type. Applications and environmental impact. Introduction: Plastics are synthetic or semi-synthetic organic polymers that are malleable and can be molded into various shapes. They are ubiquitous in modern life, found … Read more Explain plastics. Distinguish between thermoplastics and thermosetting plastics with examples.

Points to Remember: The chemical nature of soap and grease. The process of emulsification. The role of water in the cleaning process. Factors affecting cleaning efficiency. Introduction: Cleaning greasy dirt involves the removal of hydrophobic (water-repelling) substances from surfaces. Soap, a surfactant, plays a crucial role in this process. Grease, typically composed of fats and … Read more Describe the removal of greasy dirt by soap.

Points to Remember: Definition and origin of the CDM. The role of CDM in achieving emission reduction targets. Mechanisms and processes involved in CDM projects. Criticisms and limitations of the CDM. The future of CDM in the context of the Paris Agreement. Introduction: The Clean Development Mechanism (CDM) was established under Article 12 of the … Read more Describe Clean Development Mechanism (CDM).

Points to Remember: Diamond’s wide band gap vs. the narrower band gaps of silicon and germanium. The role of electron excitation and conductivity. Influence of atomic size and bonding strength. Introduction: Carbon (C), silicon (Si), and germanium (Ge) all share the same diamond cubic crystal lattice structure. This means their atoms are arranged in a … Read more C (diamond), Si, and Ge have the same lattice structure, but why is C an insulator while Si and Ge are intrinsic semiconductors? Explain.