How many isoprene units are present in abscisic acid?

Which of the following statement$(s)$ is(are) true?
$(1)$ Oxidation of glucose with bromine water gives gluconic acid.
$(2)$ The two six-membered cyclic hemiacetal forms of $D-(+)-$glucose are called anomers.
$(3)$ Hydrolysis of sucrose gives dextrorotatory glucose and laevorotatory fructose.
$(4)$ Monosaccharides cannot be hydrolysed to give polyhydroxy aldehydes and ketones.

The correct match between item $I$ and item $II$ is

Item $I$ (compound)	Item $II$ (reagent)
$(a)$ Lysine	$(p)$ $1$-naphthol
$(b)$ Furfural	$(q)$ Ninhydrin
$(c)$ Benzyl alcohol	$(r)$ $KMnO_4$
$(d)$ Styrene	$(s)$ Ceric ammonium nitrate

The artificial sweetener $X$ contains a glycosidic linkage and $Y$ contains amide and ester linkages. $X$ and $Y$ respectively are:

Match List-$I$ and List-$II$

List-$I$	List-$II$
$A$. Molisch's Test	$I$. Peptide
$B$. Biuret Test	$II$. Carbohydrate
$C$. Carbylamine Test	$III$. Primary amine
$D$. Schiff's Test	$IV$. Aldehyde

Choose the correct answer from the options given below:

Identify the source of gallic acid from the following.