Question
Draw illustrations to bring out the anatomical difference between: Monocot stem and Dicot stem.
✓
Answer
|
S.No.
|
Monocot Stem
|
Dicot Stem
|
|
1.
|
Dumb bell-shaped guard cells in stomata occurring in epidermis. | Kidney-shaped guard cells present in stomata in epidermis. |
|
2.
|
Kidney-shaped guard cells present in stomata in epidermis. | Ground tissue differentiated into cortex, endodermis, pericycle and pith. |
|
3.
|
The vascular bundles are scattered in ground tissue many in number and vary in size. | The vascular bundles are arranged in a ring. |
|
4.
|
Normally, no secondary growth occurs, few exceptions, e.g., Aloe, etc.
|
Secondary growth takes place |
|
5.
|
The primary vascular tissues remains functional throughout the life of the plant | The older vascular tissues cease functioning after sometimes are replaced by new ones |
|
6.
|
There is little increase in size. | The stem also increase in diameter with age due to secondary growth. |
|
|
 |
 |
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