Which of the following will release more energy on oxidation? Arrange them in ascending order.
$(a)$ $1 \; g$ of fat
$(b)$ $1 \; g$ of protein
$(c)$ $1 \; g$ of glucose
$(d)$ $0.5 \; g$ of protein $+ 0.5 \; g$ of glucose

Select the incorrect option regarding the digestion and absorption of substances in different parts of the digestive system.

Assertion: Lipases of bile help in the emulsification of fats.
Reason: Lipases can break large fat droplets into smaller ones.

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.

Go through the following statements regarding the physiology of digestion and identify whether they are true or false. Choose an appropriate option from the codes given below:
$I.$ Largest variety of hydrolases are present in omnivores,while the herbivores generally lack digestive enzymes.
$II.$ Digestive enzymes are of four types,namely,amylase,proteinases,lipases,and nucleases.
$III.$ Proteinases are also known as proteases,which are released in the active form because the proteins,either cellular or extracellular,are all hydrolysed by them in the absence of food.
$IV.$ Hydrolases and cholecystokinin are secreted by the exocrine part of the pancreas.

Match the following columns:

Column-$I$	Column-$II$
$a.$ Lysozyme	$(i)$ $HCl$
$b.$ Peptic cells	$(ii)$ Antibacterial enzyme
$c.$ Saliva	$(iii)$ Sublingual gland
$d.$ Oxyntic cells	$(iv)$ Pepsinogen