The control centre of cell is :

Question

Accepted Answer

The control centre of the cell is the nucleus. Here is a detailed explanation justifying why Option 2 is correct and why the other options are incorrect:

1. **Nucleus (Option 2):** The nucleus is often referred to as the control centre of the cell because it houses the cell's genetic material, DNA. This genetic material contains the instructions necessary for the functioning, growth, and reproduction of the cell. The nucleus regulates gene expression and mediates the replication of DNA during the cell cycle. It is responsible for controlling the activities of the cell by directing protein synthesis and cell division, making it the central command for cellular operations.

2. **Golgi Body (Option 1):** The Golgi body, or Golgi apparatus, is involved in modifying, sorting, and packaging proteins and lipids for secretion or delivery to other parts of the cell. While it plays a crucial role in processing and transporting cellular materials, it does not control the cell's overall functions or genetic information, which is why it is not considered the control centre.

3. **Mitochondria (Option 3):** Mitochondria are known as the powerhouses of the cell because they generate the energy required for various cellular activities through the process of oxidative phosphorylation. Although they are vital for energy production, they do not regulate or control the cell's genetic information or overall activities, which is the primary role of the nucleus.

4. **All options are right (Option 4):** This option is incorrect because, while each of the organelles mentioned plays an important role in cellular function, only the nucleus serves as the control centre of the cell. The Golgi body and mitochondria have specific functions that do not involve controlling the cell's genetic material or overall activities.

In conclusion, the nucleus is the correct answer as it is the organelle responsible for controlling and regulating the cell's activities, making it the true control centre of the cell.