Which of the following is true for the dicot roots?
Both vascular and cork cambium are responsible for the secondary growth
Vascular cambium arises during the primary growth
They do not show secondary growth just like monocot roots
Cork cambium develops during the primary growth
Periderm is produced from
The heartwood cannot conduct water because of
Given below are two statements : One is labelled as Assertion $A$ and the other is labelled as Reason $R$:
Assertion $A$ : Late wood has fewer xylary elements with narrow vessels.
Reason $R$ : Cambium is less active in winters.
In the light of the above statements, choose the correct answer from the options given below :
Which one of the following is not a lateral meristem?
The periderm includes