Remobilised minerals become available to

Identify the mineral elements that are remobilized and those that are not remobilized from senescing leaves to the growing parts of the plant.

	Remobilized	Not Remobilized
$A$	$P, S, N, K$	$Ca$
$B$	$Ca$	$P, S, N, K$
$C$	$P, S, Ca, K$	$N$
$D$	$N$	$P, S, Ca, K$

Select the incorrect statement with respect to the translocation of mineral ions.

Which one of the following elements in plants is not remobilised?

Define the following terms:
$(1)$ Mobilised elements
$(2)$ Immobilised elements

If one wants to find minerals and the form in which they are mobilized in the plant,how will an analysis of the xylem exudate help?