Which of the following contains only saturated fatty acids in its structure?

Waxes do not contain glycerol in their structure,but instead contain which type of alcohol?

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.

Match Column-$I$ with Column-$II$ and select the correct answer:

Column-$I$	Column-$II$
$(A)$ Triglyceride	$(i)$ Animal hormone
$(B)$ Structural lipid	$(ii)$ Feathers and leaves
$(C)$ Steroid	$(iii)$ Phospholipid
$(D)$ Wax	$(iv)$ Fat storage in droplet form

Cod and shark liver oil is a source of

Which of the following are not polymeric?