The histogens are classified on the basis
Cells they contain
Cells they give rise to future tissue
Meristematic activity
Cell division
$I.$ Sunflower seed
$II.$ A wheat leaf
$III.$ Pea plant
$IV.$ Leaf blade of grass
Bulliform cells are present in which of the above plants?
Wilting of plants takes place when one of the following takes place
Which would do maximum harm to a tree ? The loss of
Dermal tissue is derived from