Digestion of Nutrients

Q.

What is a peptidase?

Q. Most of the fat digestion occurs in

1. Rectum
2. Stomach
3. Caecum
4. Small intestine

Q. Carboxypeptidase is an enzyme secreted by

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

Q. Enzyme trypsinogen is changed by trypsin by

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

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). $\to$ c., ii). $\to$ d., iii). $\to$d., iv). $\to$ a..
2. i).$\to$ b., ii).$\to$ a., iii).$\to$d., iv).$\to$ c..
3. i).$\to$ d., ii).$\to$ b., iii).$\to$ a., iv).$\to$c..
4. i).$\to$ a., ii).$\to$c., iii).$\to$ b., iv). $\to$d..

Q. Which of the following options best represents the enzyme composition of pancreatic juice?

1. Amylase, peptidase, trypsinogen, rennin
2. Amylase, pepsin, trypsinogen, maltase
3. Peptidase, amylase, pepsin, rennin
4. Lipase, amylase, trypsinogen, procarboyxpeptidase

Q. Match the following
$\begin{array}{cc}\text{Complex Substances}& \text{Simple Substances}\\ \text{1. Polysaccharides}& \text{a) Amino acids}\\ \text{2. Protein}& \text{b) Monosaccharides}\\ \text{3. Fats}& \text{c) Sugar + Bases}\\ \text{4. Nucleic acids}& \text{d) Fatty acids + Glycerol}\end{array}$

1. 1- a, 2-b, 3-d, 4-c.
2. 1- c, 2-d, 3-b, 4-a.
3. 1- d, 2-a, 3-b, 4-c.
4. 1- b, 2-a, 3-d, 4-c.

Q. Enzyme trypsinogen is changed by trypsin by

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

Q. Match the following:

$\begin{array}{cc}\text{Complex Substances}& \text{Simple Substances}\\ \text{1. Polysaccharides}& \text{a) Amino acids}\\ \text{2. Protein}& \text{b) Monosaccharides}\\ \text{3. Fats}& \text{c) Sugar + Bases}\\ \text{4. Nucleic acids}& \text{d) Fatty acids + Glycerol}\end{array}$

1. 1- a, 2-b, 3-d, 4-c
2. 1- c, 2-d, 3-b, 4-a
3. 1- d, 2-a, 3-b, 4-c
4. 1- b, 2-a, 3-d, 4-c

Q. The optimum pH for enzyme trypsin is around

1. 5.6
2. 6.5
3. less than 2
4. 7.8

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

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

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