In a dicot stem undergoing secondary growth, which of the following is the FIRST to differentiate from the cells produced by the vascular cambium towards the pith?
Secondary xylem
Secondary phloem
Phelloderm
Phellem
Related Questions
In stem, the xylem is
Exarch
Mesarch
Endarch
All of these
Select incorrect pair?
Stem of sunflower – Exarch xylem
Stem of Maize – End arch xylem
Root of gram – Exarch xylem
Root of Jowar – Exarch xylem
The cells arranged in multiple layers between the epidermis and pericycle is called
Pith
Stele
Medullary rays
Cortex
Cortex is the region found between
endodermis and vascular bundle
epidermis and stele
pericycle and endodermis
endodermis and pith
Which type of vascular bundle lacks cambium and thus does not allow for secondary growth?
Conjoint open
Conjoint closed
Radial
Amphicribral
Read the following statements
(i) Multicellular epidermal hair (ii) Collenchymatous hypodermis
(iii) Pith present (iv)Vascular bundles present in a ring i.e eustele
Above given features describe which of the following plant parts ?
Monocot stem
Monocot root
Dicot stem
Dicot root
Which of the following statements regarding vascular bundles is INCORRECT?
In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii.
Conjoint closed vascular bundles do not possess cambium.
In open vascular bundles, cambium is present in between xylem and phloem.
The vascular bundles of dicotyledonous stem possess endarch protoxylem.
In rhizome of Pteridium, stele, which is composed of two or more than two concentric rings of vascular bundles is called
Polycyclic
Siphonostele
Ectophloic siphonostele
Cladosiphonostele
In a dicot stem undergoing secondary growth, the cells of the vascular cambium divide to produce secondary xylem and phloem. If a tangential section is taken through the secondary xylem, what would be the predominant cell type observed in terms of arrangement?
Radially arranged parenchyma cells
Axially elongated tracheary elements
Isometric sclerenchyma cells
Clustered secretory cells
Medullary or pith ray is the
Radial strip of parenchyma which is present between vascular bundles
Radial strip of collenchyma which is present between vascular bundles
Radial strip of sclerenchyma which is present between vascular bundles
The another name of stele
