The pericycle in roots contributes to the formation of which of the following structures, EXCLUDING:
Lateral roots
Vascular cambium
Cork cambium
Root cap
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
Cambium is present in between
Phloem and xylem
Permanent mature cells
Collenchyma and sclerenchyma
Collenchyma and parenchyma
‘Quiescent centre theory’ was proposed by
Nagelli
Schmidt
Hanstein
Clowes
All are cylindrical meristems except?
Cork cambium
Fasicular cambium
Both 1 and 2
Apical meristems
Secondary cells can’t divide because
They lose the ability to divide
They do not have nucleus
They undergo certain irreversible changes during differentiation
All of the above
Meristematic tissue are
Premature having ability of division
Mature does not have ability of division
Premature not having ability of division
Complex differentiating in xylem, phloem and cambium
Specialised regions of plants having active cell division are called
Tissues
Organs
Meristems
All of these
I. Found only in sporophytic phase of life cycleII. May contain enzymes that are biologically activeIII. Often contain strengthening polymersSelect the correct option for cell wall
All are correct except I
All are correct except II
All are correct except III
All are correct
Specialised regions of plants having active cell division are called
Tissues
Organs
Meristems
All of these
Quiescent centre is a
Weak zone
Active zone
Inactive
Strong base
