Green leaf-like one internode long stem branches are called

A mature angiosperm that bears only one leaf is

Identify below figure.

The whorl of bracts present below the infloresence of Helianthus is

The leaf of Mimosa pudica is

Rhizobium lives symbiotically with root nodules and fixes atmospheric nitrogen. It gives nitrogenous compound to host and inturn takes food from host. This food taken by bacterium is