In radial vascular bundle xylem and phloem are present on _____________radii and in an ___________manner.
1. | different and consecutive |
2. | same and alternate |
3. | different and alternate |
4. | same and consecutive |
Conjoint open vascular bundles are present in
1. | stem of dicots only |
2. | stem of dicots and gymnosperms |
3. | stem of monocots and gymnosperms |
4. | stem of monocots only |
The outermost layer of the root is
1. epidermis
2. endodermis
3. hypodermis
4. dermis
Root hairs are ____________ and formed from __________zone of root.
1. | unicellular, maturation |
2. | multicellular, elongation |
3. | multicellular, maturation |
4. | unicellular, elongation |
The innermost layer of the cortex is called
1. | pericycle |
2. | endodermis |
3. | vascular bundle |
4. | epidermis |
Casparian strips are present in
1. | endodermis | 2. | epidermis |
3. | pericycle | 4. | cortex |
Casparian strips are barrel shaped cells in which tangential and radial walls are
impermeableto water because of
1. | suberin deposition |
2. | cellulose deposition |
3. | cutin deposition |
4. | casparin deposition |
Lateral roots originate from
1. | Pericycle | 2. | Epidermis |
3. | cortex | 4. | hypodermi |
The parenchymatous cells which lie between the xylem and phloem are called
1. | Complementry cells | 2. | Conjuctive cells |
3. | pith | 4. | cortex |
All the tissues that lie inner to the endodermis are called as
1. | vascular bundle | 2. | stele |
3. | pith | 4. | cork cambium |