Adventitious buds are produced on a leaf margin of.....

$A$ runner of water with one thick internode,found in aquatic rosette plants like $Eichhornia$ $(Water\, hyacinth)$ is called

Match the following columns:

Column-$I$ (Plant)	Column-$II$ (Vegetative Propagule)
$P$. Potato	$I$. Adventitious buds
$Q$. Ginger	$II$. Offset
$R$. Agave	$III$. Bulbil
$S$. Bryophyllum	$IV$. Rhizome
$T$. Water hyacinth	$V$. Eyes

On the margins of leaves of a plant called $Bryophyllum$,tiny plants grow complete with roots. These tiny plants fall off and continue to grow. This is a form of:

Which of the following structures is formed by the involvement of only one parent?

Identify the given figure.