Tag: Carbohydrates

Hello students. This is a tricky chapter so I suggest you all pay attention. In this topic we study about the macromolecules that the organic compounds we studied about in the previous topic form.

Living organisms require food to provide them energy for the vital activities of the body, to maintain themselves and for movement and growth. Green plants can make use of the energy from the sun through the process of photosynthesis but other organisms need food to supply their energy needs.

All living organisms need food. An important difference between plants and animals is that green plants can make food in their leaves but animals have to take it in ‘ready-made’ by eating plants or the bodies of other animals.

The chemical elements that make up carbohydrates, fats and proteins. The sub-units that make up biological molecules Food tests for starch, reducing sugars, proteins, fats and oils, vitamin C. The role of water is of a solvent.