| Cell organelle | Function |
| Nucleus | Nucleus regulates and controls all the functions of a cell and determines the characteristics of the organism. |
| Endoplasmic reticulum | 1. It serve as channels forthe transport of materials within the cell.
2. It also functions as a cytoplasmic framework for various biochemical activities. |
| Golgi Apparatus | It package various substances. Proteins are altered slightly by golgi apparatus. |
| Lysosomes | It participates in intracellular digestion. It destroys the cell contents. |
| Mitochondria | It produces energy through cellular respiration. |
| Plastids | These are responsible for the colour of the plant cell. |
| A. Chloroplasts | These trap solar energy and convert this to chemical energy during photosynthesis. |
| B. Chromoplasts | These are responsible for the coloured fruits, flowers. |
| C. Leucoplasts | These are colourless, stores carbohydrates, oils and proteins. |
