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Solution


Q.

Following are the statements with reference to lipids:        [2021]

(A) Lipids having only single bonds are called unsaturated fatty acids.
(B) Lecithin is a phospholipid.
(C) Trihydroxy propane is glycerol.
(D) Palmitic acid has 20 carbon atoms, including the carboxyl carbon.
(E) Arachidonic acid has 16 carbon atoms.

Choose the correct answer from the options given below:
1 (B) and (E) only  
2 (A) and (B) only  
3 (C) and (D) only  
4 (B) and (C) only  

Ans.

(4)

Unsaturated fatty acids contain one or more double C=Cbonds. Palmitic acids and arachidonic acid has 16 and 20 carbons respectively including carboxyl carbon.