FOOD TECHNOLOGY

Detailed explanation-1: -How is food made and how is it used? The flow of energy through living organisms begins with photosynthesis. This process stores energy from sunlight in the chemical bonds of glucose. By breaking the chemical bonds in glucose, cells release the stored energy and make the ATP they need.

Detailed explanation-2: -Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.

Detailed explanation-3: -During photosynthesis plants store energy from the sun in the bonds of carbohydrates. Energy stored in the chemical bonds of carbohydrates is released during respiration and used to do work in living cells.

Detailed explanation-4: -Photosynthesis breaks strong bonds in water and carbon dioxide using energy from sunlight. The new bonds that form are weaker. The bonds in carbohydrates, and indeed fossil fuels, are quite strong – it is the very reactive gas oxygen that has the weak bonds.