Page 225 - Demo

%u2022 Slice a potato into two.%u2022 Put a few drops of iodine solution onto the cut part of the potato.%u2022 You see that it turns bluish-black.%u2022 This is because of the presence of starch in the potato.rootsstemleavesflowerfruitseedsOxygen that is formed during the process is sent out through the stomata in the leaves. That is one of the reasons why the air feels so clean and pure when there are plants around. They fill the air with all the oxygen you need to breathe.Now let us understand what happens after photosynthesis takes place.PLANTS STORE EXTRA FOOD The food prepared in the leaves is sent to all the parts of the plant. This gives the plant the energy for all its activities and also helps it to grow. But there is still some extra food left in the plant. It is stored in the form of starch.Do you know where a plant stores all the extra food?It stores it in roots, stems, leaves, fruits and seeds of the plant.Here is an activity to show the presence of starch in a stem.224 Arrow-Puffin-4_Semester-1 Science