The below mentioned article includes a collection of fifteen experiments on soil. 1. Experiment to measure the temperature of the soil and air: Requirements: Soil thermometer, ordinary thermometer (U-shaped minimum-maximum thermometer), notebook, pencil. Method: (a) Soil temperature: 1. Take a soil thermometer (Fig. 72), set it on the surface of the soil in sun and […]
Experiments on Soil | Ecology
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Experiments on Permeability | Chemistry
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The below mentioned article includes a list of three experiments on permeability. 1. Experiment to study the rates of penetration (permeability) of various organic solvents into living epidermal cells: Requirements: Onion bulbs, slides, cover slip, microscope, water, stop watch, glucose, sucrose, glycerol, methyl alcohol, tertiary butyl alcohol (TBA). Method: 1. Take an onion bulb and […]
Experiments on Enzyme Activity | Biochemistry
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The below mentioned article includes a collection of seven experiments on enzyme activity. 1. Experiment to demonstrate the activity of enzymes: Requirements: Benzidine solution, razor, thin sections of actively growing root (or germinating seeds or germinating pollen grains), phosphate buffer, hydrogen peroxide (1%), ammonium chloride (5%), starch paste. Method, observations and results: 1. Cut thin […]
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