The waxy substance secreted by epidermal cells on their outer walls is:

What is the function of the hypodermis?

In this type of vascular bundle,xylem and phloem do not lie on the same radius.

Articulated laticifers or latex vessels are prominent in

Which is not correct for $vessels$?

$A$ student observed grass and $Hibiscus$ plants in his garden during noon. To his surprise,only the leaves of grass were found rolled inwards. The reason could be