Biomolecules PYQ — Page 2

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.

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.

Identify the statement which is incorrect.

Match the following: <table class="pyq-table"><tbody><tr><td>(a)</td><td>Aquaporin</td><td>(i)</td><td>Amide</td></tr><tr><td>(b)</td><td>Asparagine</td><td>(ii)</td><td>Polysaccharide</td></tr><tr><td>(c)</td><td>Abscisic acid</td><td>(iii)</td><td>Polypeptide</td></tr><tr><td>(d)</td><td>Chitin</td><td>(iv)</td><td>Carotenoids</td></tr></tbody></table>Select the correct option:

Identify the basic amino acid from the following.

Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their

Prosthetic groups differ from coenzymes in that

Concanavalin A is:

Consider the following statements: $(A)$ Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. $(B)$ A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the correct option.

Which of the following organic compounds is the main constituent of lecithin?

The two functional groups characteristic of sugars are

Which one of the following statements is correct, with reference to enzymes?

Which of the following is not polymeric?

Which of the following describes the given graph 

Which one of the following statements is wrong?

It is much easier for a small animal to run uphill than for a large animal, because:

Which of the following is the least likely to be involved in stabilizing the three-dimensional folding of most proteins?

A non-proteinaceous enzyme is:

A typical fat molecule is made up of

Which of the following biomolecules does have a phosphodiester bond?

Which one of the following statements is incorrect?

Which one of the following is a non-reducing carbohydrate?

A phosphoglyceride is always made up of

Which of the following statements about enzymes is wrong?