Parenchyma cells are

What are the constituents of phloem?

Name the meristem which is responsible for the increase of girth of root.

State whether the following statement is true or false:
The cells of collenchyma are living,elongated,and irregularly thickened at the corners.

State whether the following statement is true or false:
Seeds consist of the embryo along with stored food,which serves for the initial growth of the embryo during germination.

The dead element present in the phloem is