Digestion of Nutrients

Q. Find out the correct sequence of substrate, enzyme and product.

1. Small intestine: proteins $\stackrel{pepsin}{\to }$ amino acid
2. Stomach: fat $\stackrel{lipase}{\to }$micelle
3. Duodenum: triglycerides $\stackrel{trypsin}{\to }$ monoglycerides
4. Small intestine: starch $\stackrel{amylase}{\to }$ maltose

Q. Bile helps in emulsification of______

1. fats
2. proteins
3. carbohydrates
4. vitamins

Q. Which of the following types of enzymes can break down dipeptides to amino acids?

1. Protease
2. Nuclease
3. DNase
4. Both (b) and (c)

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. Identify the correct pair for carbohydrate digestion.

1. Stomach, chymotrypsin
2. Mouth, amylase
3. Small intestine, cholecystokinin (CCK)
4. Small intestine, lipase
5. Stomach, pepsin

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

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

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..