Which of the following is/are living cells?

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

  • A

    $I$ and $II$

  • B

    Only $III$

  • C

    $II$ and $III$

  • D

    Only $I$

Similar Questions

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 ?

  • [NEET 2014]

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

Location / Function :

$(i)$ Casparian strips

$(ii)$ Starch sheath

Assertion : Collenchyma is thick walled dead tissue.
Reason : Collenchymatous cells show thickenings of pectin

  • [AIIMS 2002]

What is a secondary meristem ? One which originates from