Which of the following electrolytes is present in human saliva?

Match the following structures with their respective location in organs:

$(a)$ Crypts of Lieberkuhn	$(i)$ Pancreas
$(b)$ Glisson's Capsule	$(ii)$ Duodenum
$(c)$ Islets of Langerhans	$(iii)$ Small intestine
$(d)$ Brunner's Glands	$(iv)$ Liver

Select the correct option from the following:

Match the following and choose the correct combination from the options given:

Column-$I$	Column-$II$
$(A)$ Ptyalin	$(1)$ Lipids
$(B)$ Pepsin	$(2)$ Starch
$(C)$ Steapsin	$(3)$ $DNA$
$(D)$ Nuclease	$(4)$ Proteins

What would happen if our intestine harboured a microbial flora exactly similar to that found in the rumen of cattle?

Go through the following statements regarding starch digestion. Separate true and false statements and select the correct option accordingly.
$I.$ Digestion of starch starts from the mouth.
$II.$ Around $30 \%$ of the starch is digested in the stomach.
$III.$ Digestion of food requires the action of pancreatic juices.
$IV.$ Digestion of food is completed in the longest part of the alimentary canal.

Select the correct match.

List-$I$	List-$II$
$(A)$ Hepatic lobule	$(i)$ Submucosal gland
$(B)$ Brunner's gland	$(ii)$ Base of villi
$(C)$ Crypts of Lieberkuhn	$(iii)$ Glisson's capsule
$(D)$ Sphincter of Oddi	$(iv)$ Gall bladder
	$(v)$ Hepato-pancreatic duct