- A Release zymogen-rich enzyme juice to digest proteins and fats
- B Secrete bicarbonate juice to neutralize stomach acid
- C Produce more insulin from pancreatic beta cells
- D Increase peristaltic contractions along the duodenal wall
Correct answer: B. Secrete bicarbonate juice to neutralize stomach acid
Explanation: Secretin: released by S cells in duodenum when acid enters. Stimulates pancreas to secrete bicarbonate (NaHCO3) to neutralize HCl.
Concept context
The digestive tract, digestive enzymes, hormonal control of digestion, and liver function. High NEET weightage.