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Solution


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.

 

(v) Bile juice does not contain any enzyme but bile salts are important for digestion and absorption of fats. Why
1 Bile is alkaline and contains salts which help to emulsify or break the fats (or lipids) present in the food.  
2 Makes the acidic food coming from the stomach alkaline so that pancreatic enzymes can act on it  
3 Bile salts break the fats present in the food into small globules making it easy for the enzymes to act and digest them.  
4 All of the above  

Ans.

(4)