Vitamin $E$ is also known as

Identify the names of the given structural formulas correctly.

Match the following columns:

Column-$I$	Column-$II$
$(A)$ Disaccharide	$(i)$ Unsaturated fatty acid
$(B)$ Galactose	$(ii)$ Saturated fatty acid
$(C)$ Oleic acid	$(iii)$ Monosaccharide
$(D)$ Stearic acid	$(iv)$ Monosaccharide pair

The figure given below shows three velocity-substrate concentration curves for an enzyme reaction. What do the curves $a, b$ and $c$ depict respectively?

Which of the following is incorrect?

Energy currency of the cell is: