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
How many of the following constitute the stele?
Vascular bundles, pericycle, endodermis, pith, cortex, epidermis
1. 4
2. 3
3. 2
4. 5