1.The newly-formed cells from primary and secondary meristem, which becomes structurally
and functionally specialized and lose the ability to divide are known as
a) Permanent cells
b) Mature cells
c) Both (a) and (b)
d) none of these
Explanation: Both (a) and (b)
2. During the formation of the primary plant body, the specific regions of the apical meristem
produces
a) Dermal tissues
b) Ground tissues
c) Vascular tissues
d) All of these
Explanation: All of these
3. Permanent tissues, which have all cell similar in structure and function are called
a) Complex tissues
b) Simple tissues
c) Meristematic tissues
d) All of these
Explanation: Permanent tissues, which have all cell similar in structure and function are called Simple tissues.
4. Permanent tissues, which have many different types of cells are called
a) Complex tissues
b) Simple tissues
c) Meristematic tissues
d) All of these
Explanation: Permanent tissues, which have many different types of cells are called Complex tissues.
5. Which tissue is the most abundant in plant organ?
a) Parenchyma
b) Collenchyma
c) Sclerenchyma
d) Sclereids
Explanation: Parenchyma is the most abundant in plant organ
6.The following features belong to
I. Cells are generally isodiametric. They may be spherical, oval, round, polygonal, or
elongated in shape.
II. Cells have thin wall and are made up of cellulose.
III. Cells may be closely packed or may have intercellular spaces.
IV. Tissue perform various kind of functions like photosynthesis, storage and secretion.
a) Collenchyma
b) Parenchyma
c) Xylem
d) Sclerenchyma
Explanation: Parenchyma
7. The following features belong to
I. Cells are thick at corner due to the deposition of cellulose, hemicelluloses and pectin.
II. Cells may contain chloroplast and gets assimilated.
III. Intercellular spaces are absent.
IV. Provide mechanical support to growing parts of the plant such as young stem and petiole of
leaf.
a) Collenchyma
b) Parenchyma
c) Xylem
d) Sclerenchyma
Explanation: Collenchyma
8. Which simple tissue is characterized by pits?
a) Collenchyma
b) Parenchyma
c) Sclerenchyma
d) All of these
Explanation: Sclerenchyma
9._________ are spherical, oval, cylindrical, highly thickened dead cell with very narrow
cavities.
a) Sieve tube
b) Companion cell
c) Fibres
d) Sclereids
Explanation: Sclereids are spherical, oval, cylindrical, highly thickened dead cell with very narrow cavities.
10. Secondary thickening in collenchyma is of
a) Cellulose
b) Hemicellulose
c) Pectin
d) All of these
Explanation: All of these