Identify the phyllotaxy shown in the figure.

Vertical transmission of mycoplasmal diseases in plants may occur through which of the following?

Colchicine:
$I.$ is obtained from $Colchicum \text{ } autumnale$
$II.$ is a cytokinesis inhibitor
$III.$ induces polyploidy
$IV.$ is obtained from $Fabaceae$ family
$V.$ Floral formula: $\oplus \text{ } \text{O} \text{ } P_{3+3} A_{3+3} G_{(3)}$
Which are the correct statements?

China rose is called shoeflower because

What is the scientific name of maize?

Where will you get spiny stipules for protection against grazing animals?