The hydrolysis product of lipids is ....

Assertion $(S)$: In the structure of lipids,one to three molecules of fatty acids are attached to one molecule of alcohol.
Reason $(R)$: Alcohol is present in the structure of lipids in the form of trihydroxy alcohol or monohydroxy alcohol.

The component with the highest energy content is ...

Beeswax is soluble in which of the following?

Consider the following four statements $(a-d)$ and select the option which includes all the correct ones only $:-$
$(a)$ Lipids are generally water insoluble.
$(b)$ The $R$ group could be a methyl $(-CH_3)$ or ethyl $(-C_2H_5)$ or higher number of $-CH_2$ groups ($1$ carbon to $19$ carbons) in fatty acids.
$(c)$ Palmitic acid has $16$ carbons including the carboxyl carbon.
$(d)$ Arachidonic acid has $21$ carbon atoms including the carboxyl carbon.

Which of the following is not an example of a lipid?