Inactive form of pepsin is

Digestive enzymes are

Amylase act on 

In the following cell organelle of multicellular organism, intracellular digestion occurs. 

Largest chamber in the digestive system of ruminants is 

In the ruminant stomach, micro- organisms are present in the

Simple compounds formed after enzyme action are called

In ruminants digestion is an example for

Killing of bacteria occurs in 

Digestive enzymes breakdown complex molecules by