Identify the odd one out.

Assertion $(S)$: The measure of disorder in a biological system is called free energy.
Reason $(R)$: The energy available in a biological system to perform work is called entropy.
$(A)$ Both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.
$(B)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(C)$ $S$ is true and $R$ is false.
$(D)$ $S$ is false and $R$ is true.
$(E)$ Both $S$ and $R$ are false.

Select the correct match for $X$ and $Y$.

Column $X$	Column $Y$
$(1)$ Oleic acid	$(P)$ Triose sugar
$(2)$ Trihydroxy alcohol	$(Q)$ Unsaturated fatty acid
$(3)$ Glyceraldehyde	$(R)$ Subcutaneous fat
$(4)$ Amylopectin	$(S)$ Glycerol
$(5)$ Cholesterol	$(T)$ Branched chain of glucose units

How does an $ADP$ molecule differ from an $ATP$ molecule?

To which of the following families do folic acid and pantothenic acid belong?

What are the charges on $H$ and $O$ atoms in a water molecule, respectively?