6. The diagram below represents changes in the sizes of the openings/stomata present in leaves because of the physiological process in plants called transpiration. The actions of coll X and Y help plants to
Cell Y
Cell Y

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water