Phyllotaxis is
Mode of leaf arrangement on stem
Types of roots
Arrangement of sepals and petals in a flower
Type of ovary
Leaves become modified into spines in
Give differences : Simple leaf and Compound leaf.
If the ......$X$.... of the lamina reach up to the ... $Y$...breaking it into a number of ......$Z$...... the leaf is called compound leaf.
Leaf of which of the following plant shows circinate venation at young stage