Digestion of Nutrients

Q. Enzyme trypsinogen is changed by trypsin by

1. Gastrin
2. Enterokinase
3. Enterogastrone
4. Secretin

Q.

Fill in the blanks, in context with the digestion of fats in Small Intestine:

Digestion of fats is taken over by___(i)___, containing factors like ___(ii)___, ___(iii)___ and ___(iv)___ to convert them into simpler forms like fatty acids and glycerol.

1. i) Cholesterol ester hydrolase ii) Pancreatic Lipase , iii) Pancreatic juice iv) Phospholipase

2. i) Pancreatic juice ii) Phospholipase iii) Cholesterol ester hydrolase, iv) Pancreatic Lipase

3. i) Phospholipase ii) Pancreatic juice iii) Pancreatic Lipase iv) Cholesterol ester hydrolase

4. i) Pancreatic Lipase ii) Cholesterol ester hydrolase, iii) Phospholipase iv) Pancreatic juice

Q. Regarding assertion and reason, select the right option:
Assertion: The main part of carbohydrate digestion takes place in the small intestine.
Reason: Pancreatic amylase converts carbohydrates into lactose.

1. Assertion is true but the reason is false.
2. Both reason and assertion are true and the reason is the correct explanation for the assertion.
3. Both the assertion and reason are false.
4. Both the reason and assertion are true but the reason is not the correct explanation of the assertion.

Q. Trypsinogen is converted into active trypsin by the action of

1. cholecystokinin
2. enterocrinin
3. secretin
4. enterokinase

Q. Carboxypeptidase is an enzyme secreted by

1. Stomach
2. Salivary gland
3. Gall bladder
4. Pancreas

Q. Lactose is hydrolysed into

1. Fructose only
2. glucose only
3. glucose +galactose
4. glucose+fructose

Q. Most of the fat digestion occurs in

1. rectum
2. stomach
3. duodenum
4. small intestine

Q. Regarding the digestion of carbohydrates; Match the following intermediates with the particular enzyme:
$\begin{array}{cc}\text{Column I (Enzyme)}& \text{Column II (Substrate)}\\ \text{i. Amylase}& \text{a. Maltose.}\\ \text{ii. Maltase}& \text{b.Saccharides.}\\ \text{iii.Sucrase}& \text{c.Dextrins.}\\ \text{iv.}\alpha \text{Dextrinase}& \text{d.Sucrose.}\end{array}$

1. i).➡ c., ii).➡ d., iii).➡ d., iv). ➡ a..

2. i).➡ b., ii).➡ a., iii).➡ d., iv). ➡ c..

3. i).➡ d., ii).➡ b., iii).➡ a., iv). ➡ c..

4. i).➡ a., ii).➡ c., iii).➡ b., iv). ➡ d..

Q. For its activity carboxypeptidase requires:

1. Niacin
2. Copper
3. Zinc
4. Iron

Q. Carbohydrates in the chyme are hydrolysed by pancreatic amylase into_____

1. disaccharides
2. polysaccharides
3. monosaccharides
4. all of these