Ground tissue system is present in
1.root
2.stem
3. leaf
4. All of these

In Dicots, secondary xylem and phloem tissues are formed because of
1.open vascular bundle
2. closed vascular bundle
3. Both A and B
4. semi closed vascular bundle

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

In conjoint type vascular bundle xylem and phloem are present on _________ radii and & phloem is located on the __________side of the xylem.
1.same and outer
2. same and inner
3. different and inner
4. different and outer

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

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