Yes, the nucleus is present in a plant cell. In fact, the nucleus is a essential organelle found in all eukaryotic cells, including plant cells.

Here's why:

* The nucleus contains the cell's genetic material (DNA). This DNA holds the instructions for all the cell's activities and is crucial for the plant's growth, development, and reproduction.

* The nucleus controls the cell's activities. It regulates gene expression, protein synthesis, and cell division.

So, without a nucleus, a plant cell wouldn't be able to function properly.