In plants exhibiting unusual secondary growth, like in Bougainvillea, the additional cambia arise from:
Residual procambium cells
Cells of the pith
Cells of the cortex or pericycle
Differentiated xylem parenchyma
Related Questions
A unique feature of the quiescent center in root apical meristem is its:
High mitotic activity and contributes to root cap formation
Low mitotic activity and acts as a reserve
High metabolic activity and synthesizes growth hormones
Absence of cell division and undergoes programmed cell death
Axillary bud and terminal bud are derived from the activity of
Lateral meristem
Intercalary meristem
Apical meristem
Parenchyma
Which tissue is responsible for the primary growth of plants, increasing their length and girth?
Apical meristem
Lateral meristem
Intercalary meristem
Ground tissue
Which of the following statements is INCORRECT regarding the quiescent center in root apical meristem?
It has a low rate of cell division.
It acts as a reserve of cells for the root apical meristem.
It is relatively inactive.
It has a high rate of cell division.
Roots apical meristem occupies the …A… of roots, while shoot apical meristem occupies the distant most region of the …B… axis
Complete the above sentence with the correct combination of A and B
A-tip; B-stem
A-side; B-stem
A-laterally; B-root
A-tip; B-meristamatic
Root apical meristem is derived from the
Plumule part of embryo
Scutellum part of embryo
Radical part of embryo
Endosperm part of embryo
In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues?
Stem and root
All parts
Shoot tips and root tips
Flowers, fruits and leaves
Roots apical meristem occupies the …A… of roots, while shoot apical meristem occupies the distant most region of the …B… axis
Complete the above sentence with the correct combination of A and B
A-tip; B-stem
A-side; B-stem
A-laterally; B-root
A-tip; B-meristamatic
All are cylindrical meristems except?
Cork cambium
Fasicular cambium
Both 1 and 2
Apical meristems
The apical meristem of the root is protected by a structure called:
root cap
root hair
casparian strip
pericycle
