The maximum percentage of lipid content in lipoproteins is found in:

Lipids that contain non-lipid components in addition to alcohol and fatty acids are known as:

Fats serve as the best storage of spare energy because

Assertion $A$: Fat is stored in the body as a reserve food material.
Reason $R$: Lipid is a nutrient with a high energy value.
Which option is correct for Assertion $A$ and Reason $R$?

Which of the following components is not a carbohydrate?

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

Column $X$	Column $Y$
$(1)$ Short-chain saturated fatty acid	$(P)$ Oleic acid
$(2)$ Long-chain saturated fatty acid	$(Q)$ Crotonic acid
$(3)$ Short-chain unsaturated fatty acid	$(R)$ Butyric acid
$(4)$ Long-chain unsaturated fatty acid	$(S)$ Palmitic acid