Experiment to Test the Presence of Starch in the Given Food Sample ! Experiment 3.1: Objective: To test the presence of starch in the given food sample. Apparatus and materials required: Test tubes, test-tube stand, test-tube holder, spirit lamp, dropper, filter paper, iodine solution, distilled water, and foodstuff (potato, rice, wheat or maize grains). Theory: Starch, a complex carbohydrate, is [...]
Experimental Preparation of Temporary Mounts of an Onion Peel ! Experiment: Objective: To prepare a stained temporary mount of an onion peel and to record observations and draw labeled diagrams. Apparatus and materials required: An onion, glass slide, watch glass, coverslip, forceps, needles, brush, blade, filter paper, safranin, glycerine, dropper, water, and a compound microscope. Theory: All living organisms are [...]
Experiment to Observe the Diversity of Plants! Experiment: Objective: To study the external features of root, stem, leaf and flower of monocot and dicot plants. Apparatus and materials required: Glass slides, forceps, hand lens, scissors, dissecting microscope, a complete monocot plant such as onion or paddy or wheat or maize, and a complete dicot plant such as mustard or sunflower [...]