Current Electricity : Electric current, drift velocity and mobility, Ohm’s law, resistivity, combination of resistances in series and parallel, combination of cells.
Kirchoffs laws, Wheatstone bridge, Metre bridge, potentiometer.
Heating effect of current, thermoelectricity, Seebeck and Peltier effect.
Chemical effect of current, Faraday’s law of electrolysis, primary and secondary cells.
Virus and Bacteria : Morphological characteristics of Bacteriophage (T2),Plant virus (TMV);Animal virus (influenza), Bacterial cell (E. coli).
Staining : Gram staining for bacteria.
Environmental Pollution : Air, water and noise pollution – sources effects and probable control strategies; Biomagnification and Bioaccumulation. Cause of Dyslexia, Minamata and Etai etai diseases. Green house
Ecosystem : Concept of ecosystem and Biosphere, Wetland.
Brief idea of Ecological pyramids, Energy flow, Biogeochemical cycle (concept only).
Population Biology : Concept of population growth (logistic and exponential) and population control.
Concept of Biodiversity : Definition of Biodiversity ; Genetic diversity; Species diversity and Ecosystem diversity.
