Plant cells that are photosynthetically active are found in the ...$A$... layer of leaves and are ...$B$....
Choose the correct combination of $A$ and $B$ from the below given options
$A-$ mesophyll, $B-$ parenchymatous
$A-$ mesophyll, $B-$ collenchymatous
$A-$ mesophyll, $B-$ sclerenchymatous
$A-$ mesophyll, $B-$ merismatic
Which is correct for root hair?
Root hairs are found
Select correct features w.r.t. trichomes in shoot system
$(a)$ Usually unicelled
$(b)$ Branched or unbranched
$(c)$ May be secretory
$(d)$ Soft or stiff
$(e)$ Helps against transpiration
$I.$ These tissue are found as layers or patches
$II.$ It consists of cells which are thickened at the corners
$III.$ It often contains chloroplast
$IV.$ Intercellular spaces are absent
$V.$ They provide mechanical support to growing parts of plants The above characters are attributed to