Describe the primary structure of a normal dicot stem with the help of well labelled diagram. 2. Describe the activity of ... differ in a root and stem ? d. What are the principal changes that occur in the sap wood as it develops into heart wood a#39;.
|Title||:||Text Book of Botany: Angiosperms|
|Author||:||Dr. Singh, Dr. Pande & Dr. Jain|
|Publisher||:||Rastogi Publications -|