A vascular bundle without pith is
Protostele
Siphonostele
Solenostele
None of these
Write the precise function of
$(a)$ Sieve tube
$(b)$ Interfascicular cambium
$(c)$ Collenchyma
$(d)$ Aerenchyma
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
Match the following:
Column $- I$ | Column $- II$ |
$(1)$ Monocot stem | $(a)$ Bulliform cells |
$(2)$ Monocot root | $(b)$ Casperian strips |
$(3)$ monocot leaf | $(c)$ Polyarch xylem bundles |
$(d)$ Vascular bundles conjoint and closed |
You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two ?
Which combination of tissues acts together to provide the support to the hypocotyl of a seedling