3 Review(s)

1.PHYSICS; Units and measurement,newtons law, power, gravitation, satellite,keplers law, simple pendulum, waves, heat light atomic and nuclear physics,magnetism and electricity, 2. CHEMISTRY; Acid, bases, alkalis, isotopes, and isobars,atom, metals and non metals, air, water,salts, soaps, glass, plaster of paris carbon ,organic chemistry,drugs,fertilisers,detergents 3. BIOLOGY; Cell, cell organelles, cell division, classification of plants and animals, plant and animal morphology, root, stem,leaf, flower,fertilization,parthenocarpy.fruit, tissues,photosynthesis,respiration transpiration. ecology and environment,food chain. ecological pyramid,biodiversity, pollution,ozone depletion . 4. ZOOLOGY; evolution, tissue, blood,plasma,RBC,WBC,blood group,nervous system,excretory system,respiratory eystem,reproductive system,diseases, biomolecules,ear,eye, vitamins, tooth, viruses,etc 5..COMPUTER; Communication channel,NETWORK, LAN, MAN,AND WAN, NETWORKING DEVICES MODEM,IMPORTANT ABBREVIATION