Beta-nitropropionic acid is a mycotoxin, a potent mitochondrial inhibitor toxic to humans.

This option is correct. Nitro aromatic compounds are converted to amines by the action of sodium sulphides.

Trinitrotoluene (TNT) is used to measure the strength of bombs.

This option is correct.

Aliphatic amines are treated with benzene sulphonyl chloride to form N-alkylbenzene sulphonamide.

Oxytocin is a peptide of nine amino acids.

Bradykinin is an inflammatory mediator. 

 RDX is also called cyclonite and its prepared by controlled nitration of hexamethylenetetramine with fuming nitric acid at 293K.

Most enzymes are proteins, although a few are catalytic RNA molecules. 

This option is correct because caprylic acid is a common saturated fatty acid.

Proline acts as a structural disruptor in the middle of regular secondary structure elements, such as alpha helices and beta sheets.

Hexamethylene diisocyanate and tetramethylene glycol undrego step reaction polymerisation to produce polyurethane.

Leucine stimulates muscle protein.

Lysine  possesses the special codons AAA and AAG.

Nitration of aromatic amines yields 2% ortho-nitroaniline, 47% meta-nitroaniline and 52% para-nitroaniline.