GK Question

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The hormone insulin is secreted by the ________ of pancreas.

  1. Alpha cells
  2. Beta cells
  3. Delta cells
  4. Acinar cells

Answer: Beta cells

Pancreatic beta cells (in Islets of Langerhans) secrete insulin, which lowers blood glucose by facilitating cellular uptake. Deficiency causes diabetes mellitus. Key physiology concept. [[NCERT Biology Class 11]]

Topic Biology - Human Endocrine System
Exam Relevance SSC CGL, Railway NTPC, UPSC CAPF