Which of the following have sunken stomata?

Describe the internal structure of a sunflower leaf.

Sunken stomata are found in the leaves of

Starch is mainly manufactured by

Point out the differences in the anatomy of the leaf of peepal $(Ficus \text{ } religiosa)$ and maize $(Zea \text{ } mays)$. Describe the key anatomical differences.

Large,empty,colourless cells present on the upper surface of grass leaves are known as: