General Science Origin of universe and big bang theory Galaxy Solar system Planets Solar and lunar eclipse Earth structure and its composition Tectonic plate: work and its types Minerals Rocks (Igneous rock, Sedimentary rock, Metamorphic rock) Rock cycle Earth rotation and earth revolution Climate vs weather Factors affecting climate Atmosphere (Troposphere, stratosphere, Mesosphere, Thermosphere, Exosphere) Hydrosphere (Global water distribution) Water cycle (Evaporation, Transpiration, Condensation, Precipitation) and its importance Biosphere World biomes (Forest biome, Desert biome, Grassland biome, aquatic biome) Environmental Pollution (Air, Water, Land pollution) Drinking water quality standards (WHO 1993 and National standard 2008) Solid waste management system (waste generation, waste handling, collection, transfer, transport, disposal) Population planning and method of contraception (emergency contraception, barrier method, permanent contraception) Climate change and global warming: causes, effects, solution Greenhouse effect Kyoto protocol (objective, mechanism, implementation, shortcoming) Ozone depletion (importance, causes, effects, controlling measures) Montreal protocol Acid rain (basic concept, effects, controlling measures) Radioactivity: Natural radioactivity vs artificial radioactivity Global positioning system (space segment, control segment, user segment) Application of GPS (global positioning system) Remote sensing (basic principal, advantages of remote sensing) Active remote sensing vs passive remote sensing Geographic Information System (components/parts, how GIS works, application of GIS) Disaster risk management (mitigation, preparedness, response, recovery) Earth quick (concept, causes, effects, controlling measures) Volcano eruption/volcanoes (concept, causes, effects, controlling measures) Volcano eruption/volcanoes (concept, causes, effects, controlling measures) Tornado (definition, basic concept, formation, effects) Balance diet (definition, basic concept, components of balanced diet) Biomolecules/Carbohydrates (monosaccharides, oligosaccharides, polysaccharides) Proteines (components of proteins, function and sources of proteins) Essential amino acids vs nonessential amino acids Fat (Saturated fat vs unsaturated fat) Vitamins (fat soluble vitamins vs water soluble vitamins) Nutrient Bioavailability (factors affecting Bioavailability, how to increase Bioavailability) Food additives (preservation, flavouring agents, antioxidants, colouring agents, stabilizers) Food deterioration and causes of food deterioration Food preservation and principles of food preservation (heat, cold, drying,sugar and salt, chemicals) Quality of frozen food and how to stop undesirable change in frozen food Food adulteration and why food is adulterated? Computer hardware vs computer software Internal memory or primary memory vs external memory or secondary memory RAM VS ROM Central Processing Unit (Arithmetic logic unit, control unit computer software, application software) Computer software vs Application software Network (LAN, MAN, WAN) Advantages of network Internet (How information travels over internet) Wireless communication (satellite communication, microwave communication, mobile communication, bluetooth communication, WIFI communication) Fibre optics (definition, basic concept, basic structure, how fibre optic works?, Types of fibre optics (multimode fibre, single mode fibre) Fibre optic cables advantages over copper Artificial intelligence (cognitive science, Robotic) Information system (concept and basic components of information system) Types of information system (knowledge management system, geographic management system, specialized information system, business information system) Surveillance (basic concept and types of surveillance) Renewable energy sources (wind, hydro, solar, biomass etc) Renewable energy sources (coal, petroleum, natural gas) Ceramics (definition, properties, applications, how ceramics are produced?) Plastics (definition, properties of plastic, use of plastic, advantages of plastics, hazards of plastics) Thermoplastic vs Thermosetting plastic Fertilizer (definition, direct fertilizer, indirect fertilizer, complete fertilizer, incomplete fertilizer, mixed fertilizer, micro fertilizer) Micronutrients vs Macronutrients Hazards of fertilizer
