What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots?
$\Rightarrow$ Cuticle is a wax like covering on whole surface of plant. It is absent in roots. It prevents loss of water by the surface of the plant.
Pericycle is....
What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.
Which of the stoma wall is thick
Epidermal outgrowths are known as
Stomata in grass leaf are