1. Vascular bundles having xylem and phloem which lie at the same radius is termed as
a) Concentric
b) Radial
c) Collateral
d) Amphicribral
Explanation: Vascular bundles having xylem and phloem which lie at the same radius is termed as Collateral
2. Which of the following would not secrete a cuticle?
a) Root epidermis
b) Leaf epidermis
c) Xerophytes
d) Stem epidermis
Explanation: Root epidermis
3. Which one of the following is a type of tissue system?
a) Parenchyma
b) Sclerenchyma
c) Vascular
d) All of these
Explanation: Vascular is a type of tissue system
4. Root hairs are
a) Acellular
b) Unicellular
c) Multicellular
d) Multicellular and unicellular
Explanation: Root hairs are unicellular.
5. Vascular bundles of roots are
a) Conjoint
b) Concentric
c) Bicollateral
d) Radial
Explanation: Radial
6. Radial vascular bundle can be seen in
a) Leaf
b) Dicot root
c) Stem
d) Flower
Explanation: Radial vascular bundle can be seen in dicot root.
7. When xylem and phloem are separated by a strip of cambium it is called
a) Collateral and open
b) Collateral and closed
c) Bicollateral and open
d) Concentric and closed
Explanation: Collateral and open
8. Vascular bundle is closed when
a) Cambium is present
b) Cambium is absent
c) Pericycle is absent
d) none of these
Explanation: Vascular bundle is closed when cambium is absent
9. The following features belong to which option?
I. Cortex is made up of several layers of thin-walled parenchyma cells with intercellular spaces.
II. Endoderm is made up of single layer of barrel-shaped cells without any intercellular spaces.
III. Few layers of thick-walled parenchymatous cell forms pericycle.
IV. Pith is small or inconspicuous.
V. Conjuctive tissue present is 2 to 4 xylem and phloem patches
a) Dicot root
b) Dicot stem
c) Monocot root
d) Monocot stem
Explanation: Dicot root
10. Stele is made up of (in dicot root)
a) Pericycle
b) Vascular bundle
c) Pith
d) All of these
Explanation: All of these