The major neurotransmitter released at end organ effectors of the sympathetic division of the autonomic nervous system is:: (A) Adrenaline, (B) Nor–adrenaline, (C) Dopamine, (D) Acetylcholine
Answer is B. - Neurotransmitters at end organ.

Sympathetic

All organs except sweat glands and hair follicle - Noradrenaline/Norepinephrine
Sweat gland and hair follicle- Acetylcholine


Parasympathetic

Acetylcholine