Botany Biomolecules questions from NEET UG 2021.
Following are the statements with reference to 'lipids'. (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 carboxyl carbon. (e) Arachidonic acid has $16$ carbon atoms. Choose the correct answer from the options given below.
Identify the incorrect pair.
Match List - I with List- II. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">Column-I</td><td colspan="2" rowspan="1">Column-II</td></tr><tr><td>(a)</td><td>Protein</td><td>(i)</td><td>$C=C$ double bonds</td></tr><tr><td>(b)</td><td>Unsaturated fatty acid</td><td>(ii)</td><td>Phosphodiester bonds</td></tr><tr><td>(c)</td><td>Nucleic acid</td><td>(iii)</td><td>Glycosidic bonds</td></tr><tr><td>(d)</td><td>Polysaccharide</td><td>(iv)</td><td>Peptide bonds</td></tr></tbody></table>Choose the correct answer from options given below.
Which of the following are not secondary metabolites in plants?