Leaf photosynthates are transported to other parts of higher plants through

Select the correct option:
$(1)$ Julius von Sachs / $T$. $W$. Engelmann proved with evidence that glucose is produced when plants grow.
$(2)$ In $PS-II$,maximum light absorption occurs at a wavelength of $680 \, nm / 800 \, nm$.

$A-$ In stroma,enzymatic reactions synthesize sugar which in turn forms starch.
$R-$ The membrane system of chloroplast is responsible for trapping the light energy and also for the synthesis of $ATP$ and $NADPH$.

Choose the incorrect sentences for chloroplast.
$(1)$ The chloroplast membranous system consists of grana and the fluid stroma.
$(2)$ Pigments are present in the stroma.
$(3)$ In the stroma,enzymatic reactions incorporate $CO_2$ into the plant,leading to the synthesis of sugar.
$(4)$ Light is not required for the formation of sugar in the stroma.

During photosynthesis,$ATP$ functions to transfer energy from:

Photosynthesis occurs in .......