Which of the following is the largest tissue system
1.Epidermal tissue system
2.vascular tissue system
3.Ground tissue system
4.Both 1 and 2

Ground tissue system includes all except
1.pith and pith rays
2.epidermis and vascular bundle
3. epidermis and hypodermis
4. leaf mesophyll

In Ground tissue system, parenchymatous cells are usually present in
1.cortex
2.pericycle
3. pith and medullary rays
4. All of the above

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