Primary Xylem

Q.

What kind of thickening is seen in protoxylem?

1. Reticulate

2. Pitted

3. Annular

4. Scalriform

Q.

discuss secondary growth of roots in dicot plants

Q. In which of the following order, an exarch xylem develops?

1. Centripetal
2. Centrifugal
3. Both centripetal and centrifugal
4. Irregular

Q.

What kind of thickening is seen in protoxylem?

1. Reticulate

2. Pitted

3. Annular

4. Scalriform