Topic: To investigate condition essential for photosynthesis. Objective: To remind that degree Celsius dioxide is necessary for photosynthesis. Problem: Is carbon dioxide necessary for photosynthesis? possibility: Carbon dioxide is necessary for photosynthesis. shiftings: Manipulated inconstant: The presence of carbon dioxide Responding covariant: The presence of starch in riffle Constant Variable: crystalise intensity, temperature Materials Leaves, beaker, campana jarful, polythene bag, test tube, white tile, Methanol, and appliance: unity solution, boiling water, Kalium Hydroxide Diagram: Procedure: 1. both implant rig was left in darkness for rough one daylight to remove any starch present. 2. Their pots were cover with polythene bags. 3. The plants were dictated under two cost jars, labelled A and B respectively. 4. A beaker of Kalium Hydroxide is put in bell jar A to absorb any carbon dioxide from the production line that entered the jar. The air in jar A was free from the carbon dioxide.
5. campana jar B has an dependent tube at its focal ratio end which all ows ! atmospherical air to enter the jar. 6. The two bell jars were placed in sunlight for a few hours. 7. The leaf of the two potted plants were tested for starch. 8. The observation were recorded. Result: When ace solution was dropped on the leaf of the plant in bell jar A, the embrown colour of iodine solution prevail unchanged. However, when iodine solution...If you deficiency to get a full essay, evidence it on our website:
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