Match the entries of column I with the appropriate entries of column II. Column I Column II (A) Neurotransmitter (p) Iproniazid (B) Antidepressant drug (q) Preservative  (C) Artificial sweetener (r) Dopamine (D) Sodium benzoate (s) Aspartame

A-s; B-q; C-p; D-r A-r; B-p; C-s; D-q A-q; B-s; C-r; D-p A-p; B-r; C-q; D-s

A-r; B-p; C-s; D-q

Dopamine is a neurotransmitter, Iproniazid is an antidepressant drug, Aspartame is an artificial sweetener and Sodium benzoate is a preservative.