In stems, the protoxylem lies towards the _____________ and the metaxylem lies towards the ____________ of the organ

  • [AIIMS 2017]
  • A

    centre; periphery

  • B

    periphery; centre

  • C

    periphery; periphery

  • D

    centre; centre

Similar Questions

The transverse section of a plant material shows the following anatomical features, $(a)$ the vascular bundles are conjoint, scattered and surrounded by clerenchymatous undle sheaths $(b)$ phloem parenchyma is absent. What will you identify it as?

$(i)$ The ...$a$... help in maintaining the pressure gradient in the sieve tubes

$(ii)$ Stomata regulate the process of ....$b$..... and gaseous exchange

Which of the following is/are living cells?

$I.$ Vessel, $II.$ Tracheids, $III.$ Companion cells

Assertion : Higher plants have meristematic regions for indefinite growth.
Reason : Higher plants have root and shoot apices.

  • [AIIMS 1999]

Match the following

Column$-I$ Column$-II$
$(a)$. Hypodermis in dicot stem $(i)$ Absent
$(b)$. Pericycle in dicot stem $(ii)$ Parenchymatous
$(c)$. Ground tissue in monocot stem $(iii)$ Collenchymatous
$(d)$. Phloem parenchyma in monocot stem $(iv)$ Sclerenchymatous