Enzyme Technology Mock Test 9

10%

Question 1 of 10

1. Which of the following enzyme is not used to diagnose hepatobiliary disease?

Alanine aminotransferase

γ-glutamyl transferase

5^I - nucleotidase

Alkaline phosphatase

Question 1 of 10

Question 2 of 10

2. Chymotrypsinogen: Chymotrypsin:: Pepsinogen: _____________

Carboxypeptidase

Pepsin

Thrombin

Trypsin

Question 2 of 10

Question 3 of 10

3. Which of these is not a cofactor?

Biotin

Coenzyme A

Nickel

Folic acid

Question 3 of 10

Question 4 of 10

4. Which of the following property is not shown by isoenzyme?

Electrophoretic mobility

Kinetic properties

Sigmoidal shaped curve

Aminoacid composition

Question 4 of 10

Question 5 of 10

5. Amylase: peptic ulcer:: Trypsin: ___________

Cystic fibrosis

Hepatic parenchymal diseases

Prostatic cancer

Hepatobiliary disease

Question 5 of 10

Question 6 of 10

6. Additional non protein chemical component required for optimum activity of enzymes is referred to as ___________

holoenzyme

coenzymes

cofactors

isoenzyme

Question 6 of 10

Question 7 of 10

7. Which of the following is not an enzyme?

Glutathione peroxidase

Carbonic anhydrase

Ribonucleotide reductase

Selenium

Question 7 of 10

Question 8 of 10

8. Which of the following enzymes do not use Zn²⁺ ions as cofactors?

Carboxypeptidase A

Alcohol dehydrogenase

Propionyl CoA carboxylase

Carbonic anhydrase

Question 8 of 10

Question 9 of 10

9. Which of the following is not a type of specificity?

Substrate specificity

Stereo specificity

Koshland specificity

Reaction specificity

Question 9 of 10

Question 10 of 10

10. Which of the following is false for lactate dehydrogenase (LDH)?

It has five isoenzymes

It catalyzes reversible phosphorylation of creatinine to creatinine phosphate by ATP

It is made up of two polypeptides

It is a tetrameric enzyme

Question 10 of 10