In a dorsiventral leaf,the location of palisade tissue and phloem respectively are:

During water stress,the bulliform cells:
$(a)$ Become turgid
$(b)$ Become flaccid
$(c)$ Make the leaves curl inwards
$(d)$ Make the leaf surface exposed
The correct options are:

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.

In a dicot leaf:

In leaves,the position of protoxylem and protophloem are respectively:

Large,empty,colourless cells present on the upper surface of grass leaves are $:-$