DENDROLOGY

Detailed explanation-1: -The sugar combines with oxygen to form carbon dioxide (CO2) and water as by-products, and the energy is given off. Six molecules of oxygen combine with one molecule of sugar to form ENERGY, plus six molecules of carbon dioxide and six molecules of water.

Detailed explanation-2: -Plants make sugar by using energy from sunlight to transform carbon dioxide (CO2), a gas absorbed from the air, and water (H20) taken from the ground by roots into glucose (C6H12O6) and oxygen (O2). This process is called photosynthesis and occurs in the chloroplast of the plant cell.

Detailed explanation-3: -There are no such chemical bonds present in glucose, and hence as no rearrangement of bonds occurs, very little chemical energy is present in carbon dioxide. 1 glucose molecule consists of more energy as compared to energy contributed by 6-7 molecules of CO2.

Detailed explanation-4: -Inside the chloroplasts within leaves, light, water (H2O), and carbon dioxide (CO2) are transformed into energy and sugar (glucose). Using water, sunlight is converted into energy-storing molecules within the plant cells. The energy from these molecules is then used to create glucose from CO2.