The concept of 'Dedifferentiation' in relation to meristem formation is best exemplified by:
Activity of the root apical meristem
Formation of interfascicular cambium from parenchyma cells
Development of phellogen from the epidermis
Differentiation of xylem vessels from procambium
Related Questions
‘Quiescent centre theory’ was proposed by
Nagelli
Schmidt
Hanstein
Clowes
A leaf primordium grows into adult leaf lamina
At first by apical meristem and later largely by marginal meristems
By apical meristem
By lateral meristem
By marginal meristem
I. Primary tissues of plants add length to the roots and shoots
II. Secondary tissue of plants adds diameter to the roots and shoots
III. Cells of permanent tissue are specialised both structurally and functionally
Which of the above statement is/are true?
All except I
All except II
All except III
I, II and III
Axillary bud originates from
Meristem
Shoot apical meristem
Root apical meristem
Secondary meristem
Apical meristem and intercalary meristem are called primary meristem because?
They appear early in plant and contributes to the formation of primary plant body
They make secondary tissue
They make the whole plant body
All of the above
‘Quiescent centre theory’ was proposed by
Nagelli
Schmidt
Hanstein
Clowes
Choose the wrong statement from the following
Axillary/terminal bud develops from apical meristem
Merismatic activity occurs at stem apex/root apex
Permanent tissues are produced by primary and secondary meristem
None of the above
Viral infection is usually absent in
Phloem cells
Xylem cells
Pith cells
Apical meristem
Quiescent centre is a
Weak zone
Active zone
Inactive
Strong base
Which of the following is the region of cell division?
Root cap
Meristematic region
Root hair zone
None of these
