Parenchymatous tissue is characterised by the
Presence of uniform thickening
Presence of thickening in the corners
Presence of intercellular spaces
Presence of lignified walls
Complex tissues are
What is a permanent tissue ? It is a tissue
The companion cells are specialized ........ which are closely associated with sieve tube elements.
Given below are two statements:
Statement $I$: Parenchyma is living but collenchyma is dead tissue.
Statement $II$ : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.
In the light of the above statements, choose the correct answer from the options given below:
Xylem fibre is