The outermost layer of the root is
1. epidermis
2. endodermis
3. hypodermis
4. dermis
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
In roots, the Protoxylem lies toward __________ and Metaxylem lies toward the _______ respectively.
1. Periphery, centre
2. Centre, periphery
3. Above, below
4. Below, above
The number of xylem bundles in dicot root is
1. 2 to 4
2. less than 2
3. more than 6
4. infinite
In monocot root the pith present is
1. small or inconspicuous
2. large and well developed
3. small and well developed
4. large and inconspicuous
Casparian strips are present in
1. endodermis
2. epidermis
3. pericycle
4. cortex
In dicot root the pith present is
1. small or inconspicuous
2. large and well developed
3. small and well developed
4. large and inconspicuous
All the tissues that lie inner to the endodermis are called as
1. vascular bundle
2. stele
3. pith
4. cork cambium
The parenchymatous cells which lie between the xylem and phloem are called
1. Complementry cells
2. Conjuctive cells
3. pith
4. cortex
The number of xylem bundles in monocot root is
1. 2 to 6
2. less than 2
3. more than 6
4. infinite