Growth rings $(annual\ rings)$ are formed by activity of

  • A

    Cambium

  • B

    Xylem

  • C

    Phloem

  • D

    Both xylem and phloem

Similar Questions

Identify the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem.

$I.$ Secondary cortex

$II.$ Autumn wood

$III.$ Secondary phloem

$IV.$ Phellem

Desert grasses often roll their leaves due to presence of

Which of the following are derived from the secondary meristems

interfascicular cambium develops from the cells of :

Give differences: Heartwood and Sapwood