Root hairs arise from__________
1. epidermis
2. endodermis
3. pericycle
4. cortex
Root hairs are ____________ and formed from __________zone of root.
1. unicellular, maturation
2. multicellular, elongation
3. multicellular, maturation
4. unicellular, elongation
Epidermis of root is also known as
1. epiblema
2. piliferous layer
3. Rhizodermis
4. All of the above
Cortex consists of
1. parenchymal cells with intracellular spaces
2. parenchymal cells with intercellular spaces
3. collenchymal cells with intracellular spaces
4. collenchymal cells with intercellular spaces
The innermost layer of the cortex is called
1. pericycle
2. endodermis
3. vascular bundle
4. epidermis
Endodermis comprises of ____________layer of ____________shaped cells.
1. single, oval
2. single, barrel
3. multi, round
4. single, round
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