Lipase enzyme acts on which of the following substrates?

Which of the following is responsible for the emulsification of fats?

$................$ emulsifies fats.

Which of the following guards the opening of the hepatopancreatic duct into the duodenum?

Which of the following is a group of end products of carbohydrate digestion?

$A$: Gastrectomy causes iron deficiency anaemia.
$R$: Hydrochloric acid secreted by oxyntic cells converts ferric into ferrous and iron is absorbed as ferrous ions.