Biochemistry Questions and Answers Part-9

1. Which of the following is an epimeric pair?
a) Glucose and fructose
b) Glucose and galactose
c) Galactose and mannose
d) Lactose and maltose

Answer: b

2. α-Glycosidic bond is present in
a) Lactose
b) Maltose
c) Sucrose
d) All of these

Answer: b

3. Branching occurs in glycogen approximately after every
a) Five glucose units
b) Ten glucose units
c) Fifteen glucose units
d) Twenty glucose units

Answer: b

4. N–Acetylglucosamnine is present in
a) Hyaluronic acid
b) Chondroitin sulphate
c) Heparin
d) All of these

Answer: a

5. Iodine gives a red colour with
a) Starch
b) Dextrin
c) Glycogen
d) Inulin

Answer: c

6. Amylose is a constituent of
a) Starch
b) Cellulose
c) Glycogen
d) None of these

Answer: a

7. Synovial fluid contains
a) Heparin
b) Hyaluronic acid
c) Chondroitin sulphate
d) Keratin sulphate

Answer: b

8. Gluconeogenesis is decreased by
a) Glucagon
b) Epinephrine
c) Glucocorticoids
d) Insulin

Answer: d

9. Lactate formed in muscles can be utilised through
a) Rapoport-Luebeling cycle
b) Glucose-alanine cycle
c) Cori’s cycle
d) Citric acid cycle

Answer: c

10. Glucose-6-phosphatase is not present in
a) Liver and kidneys
b) Kidneys and muscles
c) Kidneys and adipose tissue
d) Muscles and adipose tissue

Answer: d