Pancreatic enzyme and bicarbonate secretion is stimulated by

The correct option is B Cholecystokin

A. Gastrin is secreted from stomach and stimulates the secretion of gastric juices.

B. Cholecystokinin is secreted by from duodenum and stimulates secretion of pancreatic juice.

C. Duocrinin is secreted from intestine and stimulates the secretion of intestinal fluid.

D. Enterogastrone is secreted from duodenum and inhibits the secretion of gastric juice.

So, the correct answer is 'Cholecystokin'.