1. Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzyme?

a) Phosphoglutamase
b) Branching enzyme
c) Debranching enzyme
d) Glucose-6-phosphotase

2. Competitive enzyme inhibition will cause:

a) Decrease of km and increase of Vmax
b) Increase of Km and increase of Vmax
c) Decrease of Km and decrease of Vmax
d) Increase of Km and unchanged Vmax

3. Serum alkaline phosphatase level increase in;

a) Hypothyroidism
b) Carcinoma of prostate
C) Hyperparathyroidism
d) Myocardial infraction

4. The activity of the fowling enzyme is affected by biotin deficiency

a) Transketolase
b) Dehydrogenase
c) Oxidase
d) carboxylase

5. Conenzyme responsible for single carbon transfer

a) Acetyl co enzyme A
b) Biotin
c) THF4
d) Pyridoxine

6. Multienzyme complex in humans

a) Fatty acid synthetase
b) Malonyl CoA Carboxylase
c) Carbamoyl phosphate synthetase
d) Adenosine phosphate ribosyl transferase

7. LDH has following number of isoenzymes

a) 5
b) 3
c) 11
d) 2

8. Biotin is required for the activity of

a) Pyruvate carboxylase
b) Lactate dehydrogenase
c) Succinate thiokinase
d) Phosphohexose isomerase

9. Enzymes stored in muscles is

a) Alkaline phosphatase
b) SGOT
c) SGPT
d) CPK

10. Inactive precursors of enzymes are known as

a) Apo enzymes
b) Co enzymes
c) Pro enzymes
d) Holoenzymes