Alzheimer's disease (AD) is caused due to deficiency of which of the following?

Answer: [C] Acetylcholine

Alzheimer's is caused by brain cell death. It is a neurodegenerative disease, which means there is progressive brain cell death that happens over a course of time. It is caused due to deficiency of acetylcholine.

This question is a part of GKToday's Integrated IAS General Studies Module