Usually the lower surface of a $...$ leaf has a greater number of stomata while in a $...$ leaf they are about equal on both surfaces.

The vertical section of a dorsoventral leaf through the lamina shows three main parts namely,epidermis,$A$,and vascular system. The epidermis,which covers the upper surface is $B$ and the lower surface is covered by $C$ of the leaf. Choose the correct combination of $A$,$B$,and $C$.

Plant cells that are photosynthetically active are found in the $A$ layer of leaves and are $B$. Choose the correct combination of $A$ and $B$ from the below given options.

In a monocot leaf:

Define the following terms:
$(i)$ Dorsiventral leaf
$(ii)$ Periderm

The largest number of chloroplasts is found in: