In free floating plant, the stomata are
Absent
Present on upper surface
Present on both the surface
Present on lower surface
'Protoderm' and 'procambium' terms were coined by
Kranz anatomy is found in
Is Pinus an evergreen tree ? Comment.
Wound healing is due to
$I.$ Sunflower seed
$II.$ A wheat leaf
$III.$ Pea plant
$IV.$ Leaf blade of grass
Bulliform cells are present in which of the above plants?