All the tissues on the inner side of the endodermis together constitute the

Amphiphloic $(bicollateral)$ condition of stele means that

The figures given below represent different types of vascular bundles. Select the correct option for these diagrams :-

Apple and potato obtain $O_2$ through

What are the specialized epidermal cells surrounding the guard cells called?

$A$ 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