1. Pyruvate carboxylase is regulated by
a) Induction
b) Repression
c) Allosteric regulation
d) All of these
2. Fructose-2, 6-biphosphate is formed by
the action of
a) Phosphofructokinase-1
b) Phosphofructokinase-2
c) Fructose biphosphate isomerase
d) Fructose-1, 6-biphosphatase
3. The highest concentrations of fructose are
found in
a) Aqueous humor
b) Vitreous humor
c) Synovial fluid
d) Seminal fluid
4. Glucose uptake by liver cells is
a) Energy-consuming
b) A saturable process
c) Insulin-dependent
d) Insulin-independent
5. Renal threshold for glucose is decreased
in
a) Diabetes mellitus
b) Insulinoma
c) Renal glycosuria
d) Alimentary glycosuria
6. Active uptake of glucose is inhibited by
a) Ouabain
b) Phlorrizin
c) Digoxin
d) Alloxan
7. Glucose-6-phosphatase is absent or
deficient in
a) Von Gierke’s disease
b) Pompe’s disease
c) Cori’s disease
d) McArdle’s disease
8. Debranching enzyme is absent in
a) Cori’s disease
b) Andersen’s disease
c) Von Gierke’s disease
d) Her’s disease
9. McArdle’s disease is due to the deficiency
of
a) Glucose-6-phosphatase
b) Phosphofructokinase
c) Liver phosphorylase
d) muscle phosphorylase
10. Tautomerisation is
a) Shift of hydrogen
b) Shift of carbon
c) Shift of both
d) None of these