Practical Video Gallery Biology Practical To Study stages of mitosis in onion root tip- Class XII To study types of Soil samples To study action of salivary amylase on starch on different temperature To Study water samples for clarity, pH and living organism To study water holding capacity of soils To study pH of different soil samples To study moisture content in soil samples Action of salivary amylase on starch To Study Mitosis in onion root tip Chemistry Practical Titration Titration Titration Salt Analysis Salt Analysis (Magnesium Nitrate) Salt Analysis (Copper Sulphate) Salt Analysis (Zinc Carbonate ) Salt Analysis (Aluminium Sulphate) Salt Analysis (Lead Acetate) Salt Analysis (Barium Chloride) Test for Amine Functional Group Test for Aldehyde Functional Group Test for Carboxylic Acid Functional Group Test for Ketone Functional Group Test for Ketone Functional Group Physics Practical To measure resistivity of different wires Meter Bridge To compare EMF of two primary cell To determine resistance of a galvanometer To measure angle of minimum deviation To measure refractive index of a liquid To measure refractive index of a glass slab To draw the characteristics of PN junction diode