Biology- 11 Chapter 3
Enzymes - 14
1.
Which one of the following is an isomerase enzyme?
a) Nucleotidase
b) Phosphohexose isomerase
c) Histidine decarboxylase
d) Pepsin
2.
The conversion of glucose-6-phosphate into fructose-6-phosphate is catalyzed by a(___ enzyme?
a) Lyase
b) Isomerase
c) Hydrolase
d) Ligase
3.
Enzymes which join two molecules togather are called as?
a) Ligases
b) Hydrolases
c) Lyases
d) Isomerases
4.
The enzyme polymerase is an example of?
a) Lyase
b) Hydrolase
c) Ligase
d) Isomerase
5.
Enzymes that break down lipids are called as?
a) Proteases
b) Carbohydrases
c) Lipases
d) Nucleases
6.
Which one of the following enzymes hydrolyses the sucrose molecule?
a) Peptidase
b) Protease
c) Sucrase
d) Lipase
7.
Which one of the following enzymes act upon urea?
a) Maltase
b) Diastase
c) Amylase
d) Urease
8.
Starch is broken down by the enzyme?
a) Urease
b) Diastase
c) Maltase
d) Nuclease
9.
Which one of the following enzymes is extracted from calves stomach?
a) Pepsin
b) Rennin
c) Catalase
d) Chymosin
10.
Catalase is obtained from?
a) Animal liver
b) Plants
c) Bacteria
d) B and d are correct
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