Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NTA Abhyas NEET2020BotanyAnatomy of Flowering PlantsPractice

In a mature dicot stem which has undergone secondary growth, the youngest layer of secondary xylem is situated ________________.

Options

  1. Ain between pith and primary xylem
  2. Bjust outside the vascular cambium
  3. Cjust inner to the vascular cambium
  4. Djust inner to the phellogen

Correct answer

C. just inner to the vascular cambium

Step-by-step solution

Dicot plants are sub group of the division Angiosperms which have two cotyledons or embryonic leaves in their seeds. Meristematic tissue occurring between the mature regions of root and shoots of angiosperms are called secondary meristem. These generally form by dedifferentiation of the permanent tissues. The vascular cambium tissues found within the vascular tissues like xylem and phloem are secondary meristem which help in lateral growth of the plant helping in increasing the girth of the stem. The cambium cells

Practice Anatomy of Flowering Plants on Quantrex Academy →

More from Anatomy of Flowering Plants

The main function of bulliform cells in grasses is : 2026Match List I with List II : List I List II A. Conjunctive tissue I. Specialised cells in the vicinity of guard cells B. Casparian strips II. Endodermal cells rich in starch C. Subs 2026Find the statement that is NOT correct with regard to the structure of monocot stem. 2025Which of the following simple tissues are commonly found in the fruit walls of nuts and pulp of pear? 2024Given below are two statements: Statement I: In a dicotyledonous leaf, the adaxial epidermis generally bears more stomata than the abaxial epidermis. Statement II: In a dicotyledon 2024Given below are two statements: Statement I : Parenchyma is living but collenchyma is dead tissue. Statement II : Gymnosperms lack xylem vessels but presence of xylem vessels is th 2024Bulliform cells are responsible for 2024Formation of interfascicular cambium from fully developed parenchyma cells is an example for 2024 Full Anatomy of Flowering Plants list All NTA Abhyas NEET PYQs