Correct Answer - D
Noradrenaline is one of the neurotransmitters that plays a signigicant rol in mood changes. The preson suffers from depression if the level of noradrenaline is low. In such situations, antidepressant drugs are required. These drugs are also called tranquilzers as they induce tranquility in an indiviual. Iproniazed and phenlezine. Anitstatic agents are componds which are added to materials (particularly fibres, plastics) to reduce charge accumulation with resultant hygroscopic salts.
