What structures could be observed in a union root tip that would not be observed in a human cell?

Draw the labelled diagram of the following:(i) gram seed (ii) V.S. of maize seed

A classmate says that if one part of a plant is found to contain cells, then that means that every part of that plant will have the same type of cells.  How should you respond to his claim? (a) He is correct.  Every part of the plant will have the same type of cells (b)He is somewhat correct.  ONly certain part of a plant contain cells, but those that do will have identical cells (c) He is incorrect.  Only certain parts of a plant contain cells (d) He is somewhat correct.  Every part of the plant will contain cells, but there may be different types of cells in a single plant