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प्रश्न
The common bottle cork is a product of ______.
विकल्प
Phellem
Phellogen
Xylem
Vascular cambium
उत्तर
The common bottle cork is a product of Phellogen.
संबंधित प्रश्न
Consider the following statements.
In spring season vascular cambium:
- is less active
- produces a large number of xylary elements
- forms vessels with wide cavities of these.
Usually, the monocotyledons do not increase their girth, because ______.
In the diagram of lenticel identify the parts marked as A, B, C, D.
In a forest, if the bark of a tree is damaged by the horn of a deer, How will the plant overcome the damage?
In which season the vessels of angiosperms are larger in size, why?
Continuous state of dividing tissue is called meristem. In connection to this, what is the role of lateral meristem?
A timber merchant bought 2 logs of wood from, a forest & named them A & B, The log A was 50 year old & B was 20 years old. Which log of wood will last longer for the merchant? Why?
A transverse section of the trunk of a tree shows concentric rings which are known as growth rings. How are these rings formed? What are the significance of these rings?
Inner, darker & harder portion of secondary xylem that cannot conduct water in an older dicot stem is called ____________.
