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 |
$(1-d), (2-c),(3-b) $
$(1-a), (2-c),(3-d)$
$(1-c),(2-d),(3-a) $
$(1-d),(2-b),(3-a)$
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?
Select the correct pair.
Which of the following statements is correct?
Assertion : In angiosperms, the conduction of water is more efficient because their xylem has vessels.
Reason : Conduction of water by vessel elements is an active process with energy supplied by xylem parenchyma rich in mitochondria
Pericycle of the roots is never sclerenchymatous because it