What are the various enzymatic types of glandular secretions in our gut helping digestion of food? What is the nature of end products obtained after complete digestion of food?

What help in digestion of food in our body?

What is the role of saliva in the digestion of food?

How would non-secretion of saliva affect digestion of food in our mouth?

What are various types of food chain. Explain deritus food chain.

What type of food is digested?

What is the site of fat digestion in humans? Name the enzyme that digests fats. Mention the end products of fat digestion.

Name the part of the alimentary canal where major ansorption of digested food takes place. What are the absorbed forms of different kinds of food materials?

What steps should be taken to improve production of food from animal sources in our country ?

Many microbial pathogens enter the gut of humans along with food. What are the preventive barries to protect the body from such pathogens? What type of immunity do you observe in this case?