Q.

Read the passage given below carefully and answer the following questions from (i) to (v).

The graph below shows the percent of undigested carbohydrates, proteins and fats as the food passes through the human digestive tract. X axis represents sequential structure that makes up the digestive tract.

 

(iv) Which of the following converts starch to glucose, proteins to amino acids and fats to glycerol

1 Gastric juice  
2 Bile salts  
3 Intestinal juice  
4 Pepsinogen  

Ans.

(3)