Which would do maximum harm to a tree ? The loss of
Half of its branches
All of its leaves
Half of its flowers
Its bark
Dorsiventral leaf has
Starch is mainly manufacture by
$I.$ Found only in sporophytic phase of life cycle
$II.$ May contain enzymes that are biologically active
$III.$ Often contain strengthening polymers
Select the correct option for cell wall
What is the commercial source of cork ? How is it formed in the plant ?