Which of the following digestive juices has the minimum pH value ?
(b) Gastric juice
(d) Pancreatic juice
(b) Bile is an alkaline viscous fluid yellow to green in colour and having a pH of 6.8 to 8. Saliva is secreted by salivary gland and its pH is about 6.8. Gastric juice is secreted by gastric gland in stomach and its pH value is 1-2.5 and pancreatic juice is colourless watery fluid and slightly alkaline. Its pH is 7.5-8.5. Therefore gastric juice has minimum pH value.