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 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