The ultimate products of oxidation of most of hydrogen and carbon in food stuffs are

Number of compounds from the following which will not produce orange red precipitate with Benedict's solution is $..............$. Glucose,maltose,sucrose,ribose,$2$-deoxyribose,amylose,lactose.

Which element among the following is not present in saccharin?

Optical activity is shown by

The number of six-membered and five-membered rings present in norethindrone (a synthetic progesterone) are respectively:

Match Column-$I$ with Column-$II$ and select the correct option.

Column-$I$	Column-$II$
$(i)$ Antiberiberi factor	$(A)$ Vitamin $C$
$(ii)$ Pancreas	$(B)$ Glycerides
$(iii)$ Palm oil	$(C)$ Vitamin $B_1$
$(iv)$ $L(+)$-Ascorbic acid	$(D)$ Insulin