Read the different components from $(i)$ to $(iv)$ in the list given below and tell 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 $(ii)$ Wood $(iii)$ Secondary phloem $(iv)$ Phellem The correct order is
$(iv), (i), (iii), (ii)$
$(iv), (iii), (i), (ii)$
$(iii), (iv), (ii), (i)$
$(i), (ii), (iv), (iii).$
Sclerenchyma usually_______ and ________ protoplasts.
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.
Distinguish between the following : Stele and vascular bundle.