The hypodermis of dicot stem and monocot stem is made up of
1. | collenchyma and sclerenchyma respectively |
2. | collenchyma in both |
3. | sclerenchyma in both |
4. | sclerenchyma and collenchyma respectively |
In monocot stem, Ground tissue is differentiated into
1. | endodermis , cortex and pericycle |
2. | endodermis , cortex and pericycle, hypodermis |
3. | cortex and pericycle only |
4. | None of these |
In monocot stem, ground tissue is made up of
1. | collenchyma | 2. | sclerenchyma |
3. | parenchyma | 4. | All of the above |
Vascular bundle are ___________and surrounded by ___________ bundle sheath in
monocot stem.
1. | scattered, sclerenchymatous |
2. | arranged, sclerenchymatous |
3. | scattered, parenchymatous |
4. | scattered, collenchymatous |
Which type of cells are not present in Phloem of monocot stem
1. | Companion cell | 2. | sieve tubes |
3. | Phloem parenchyma | 4. | Phloem fibres |
Which type of cavity is present within the vascular bundles of monocot stem
1. | air cavity | 2. | water cavity |
3. | Both A and B | 4. | Food cavity |
Primary xylem is of two types, they are-
1. | Protoxylem and metaxylem |
2. | Xylem parenchyma and xylem fibres |
3. | Tracheids and vessels |
4. | Simple xylem and complex xylem |
In roots, the Protoxylem lies toward __________ and Metaxylem lies toward the _______ respectively.
1. | Periphery, centre | 2. | Centre, periphery |
3. | Above, below | 4. | Below, above |
Phloem in angiosperm is composed of
a. | Sieve tube element |
b. | Companion cell |
c. | Phloem parenchyma |
d. | Phloem fibres |
e. | Tracheids |
f. | Vessels |
1. a,b,c,d
2. b,c,d,e
3. c,d,e,f
4. None
Phloem of gymnosperm consist of
1. | Albuminous cells and Sieve cells |
2. | Sieve tubes and companion cells |
3. | Phloem parenchyma and phloem fibres |
4. | None of the above |