What are passage cells?
$\Rightarrow$ The innermost layer of cortex is called Endodermis. The cells of this layer are connected tightly with each other. The radial wall and inner wall is stained with lignin and suberin. This stain appears like horizontal ' $C^{\prime}$. Some of the cells in this layer stay with stain. They are called passage cells.
Continuous ring of cambium is formed by
Largest number of chloroplast is found in
Point out the differences in the anatomy of leaf of peepal (Ficus religiosa) and maize (Zea mays). Draw the diagrams and label the differences.