Q.

In human digestive system the enzymes pepsin and trypsin are secreted respectively by :

1 Pancreas and liver  
2 Pancreas and gall bladder  
3 Stomach and pancreas  
4 Stomach and salivary glands  

Ans.

(3)

Pepsin enzyme is secreted by the stomach that breaks down proteins into smaller amino acids. Trypsin enzyme is secreted by the pancreas that breaks down proteins