Exam Details
| Subject | physiological chemistry and metabolism—i | |
| Paper | ||
| Exam / Course | biochemistry | |
| Department | ||
| Organization | Mizoram University | |
| Position | ||
| Exam Date | 2018 | |
| City, State | mizoram, |
Question Paper
BCHEM/II/EC/03 Student's Copy
2 0 1 8
CBCS
2nd Semester
BIOCHEMISTRY
Paper BC-2
Physiological Chemistry and Metabolism—I
Full Marks 75
Time 3 hours
PART A—OBJECTIVE
Marks 25
The figures in the margin indicate full marks for the questions
SECTION—A
Marks 10
Tick the correct answer in the brackets provided 1×10=10
1. The life span of RBC is
100 days 110 days
120 days 130 days
2. Which of the following is the contractile protein in a muscle?
Actin Myosin
Tubulin All of the above
3. The deficiency of which plasma protein is responsible for Wilson's disease?
Ceruloplasmin Albumin
Globulin Fibrinogen
/319 1 Contd.
4. In case of low-blood glucose concentration, negative feedback is
to avoid sweets
to exercise
to rest
conversion of glycogen to glucose
5. Islets of Langerhans are found in
liver spleen
pancreas pituitary
6. Oxytocin stimulates the contraction of
lungs ovary
heart uterus
7. How many ATP molecules can be synthesized from each acetyl CoA on
entering Krebs cycle?
6 12
18 38
8. Name the enzyme used in both glycolysis and gluconeogenesis
3-phosphoglycerate kinase
Glucose-6-phosphatase
Hexokinase
Phosphofructokinase
9. The NADPH required for the fatty acid synthesis can be generated from
HMP pathway glycolysis
biotin bicarbonate
10. A fatty acid with 14 carbon atoms will undergo how many cycles of
beta-oxidation?
7 4
6 5
BCHEM/II/EC/03/319 2 Contd.
SECTION—B
Marks 15
Write short notes on the following 3×5=15
1. Oxygen transport by hemoglobin
OR
Blood groups
2. Structure of neuron
OR
Regulation of water balance
3. Steroid hormones
OR
Sex hormones
4. Alcoholic fermentation
OR
Important features of metabolism
5. Energetics of fatty acid oxidation
OR
Regulation of fatty acid biosynthesis
PART B—DESCRIPTIVE
Marks 50
The figures in the margin indicate full marks for the questions
1. What is digestion? Explain the mechanism of digestion and
absorption of lipids. Add a note on biochemistry of blood.
OR
Write notes on the following 6+4=10
Regulation of respiration
Mechanism of blood clotting
BCHEM/II/EC/03/319 3 Contd.
2. Explain the process of urine formation. Add a note on the structure of
kidney. 7+3=10
OR
Write notes on the following 5+5=10
Neurotransmitters
Sliding filament theory
3. What are hormones? Classify them based on their modes of action.
Add a note on the hormones of hypothalamus.
OR
Write notes on the following 5+5=10
Insulin
T3 and T4
4. What is glycolysis? Explain the steps involved in glycolysis. 3+7=10
OR
Write notes on the following 5+5=10
Significance of HMP shunt
Gluconeogenesis from lactate
5. What are the steps involved in beta-oxidation of fatty acids? 10
OR
Write notes on the following 5+5=10
FAS complex
Transport of fatty acids into mitochondria
2 0 1 8
CBCS
2nd Semester
BIOCHEMISTRY
Paper BC-2
Physiological Chemistry and Metabolism—I
Full Marks 75
Time 3 hours
PART A—OBJECTIVE
Marks 25
The figures in the margin indicate full marks for the questions
SECTION—A
Marks 10
Tick the correct answer in the brackets provided 1×10=10
1. The life span of RBC is
100 days 110 days
120 days 130 days
2. Which of the following is the contractile protein in a muscle?
Actin Myosin
Tubulin All of the above
3. The deficiency of which plasma protein is responsible for Wilson's disease?
Ceruloplasmin Albumin
Globulin Fibrinogen
/319 1 Contd.
4. In case of low-blood glucose concentration, negative feedback is
to avoid sweets
to exercise
to rest
conversion of glycogen to glucose
5. Islets of Langerhans are found in
liver spleen
pancreas pituitary
6. Oxytocin stimulates the contraction of
lungs ovary
heart uterus
7. How many ATP molecules can be synthesized from each acetyl CoA on
entering Krebs cycle?
6 12
18 38
8. Name the enzyme used in both glycolysis and gluconeogenesis
3-phosphoglycerate kinase
Glucose-6-phosphatase
Hexokinase
Phosphofructokinase
9. The NADPH required for the fatty acid synthesis can be generated from
HMP pathway glycolysis
biotin bicarbonate
10. A fatty acid with 14 carbon atoms will undergo how many cycles of
beta-oxidation?
7 4
6 5
BCHEM/II/EC/03/319 2 Contd.
SECTION—B
Marks 15
Write short notes on the following 3×5=15
1. Oxygen transport by hemoglobin
OR
Blood groups
2. Structure of neuron
OR
Regulation of water balance
3. Steroid hormones
OR
Sex hormones
4. Alcoholic fermentation
OR
Important features of metabolism
5. Energetics of fatty acid oxidation
OR
Regulation of fatty acid biosynthesis
PART B—DESCRIPTIVE
Marks 50
The figures in the margin indicate full marks for the questions
1. What is digestion? Explain the mechanism of digestion and
absorption of lipids. Add a note on biochemistry of blood.
OR
Write notes on the following 6+4=10
Regulation of respiration
Mechanism of blood clotting
BCHEM/II/EC/03/319 3 Contd.
2. Explain the process of urine formation. Add a note on the structure of
kidney. 7+3=10
OR
Write notes on the following 5+5=10
Neurotransmitters
Sliding filament theory
3. What are hormones? Classify them based on their modes of action.
Add a note on the hormones of hypothalamus.
OR
Write notes on the following 5+5=10
Insulin
T3 and T4
4. What is glycolysis? Explain the steps involved in glycolysis. 3+7=10
OR
Write notes on the following 5+5=10
Significance of HMP shunt
Gluconeogenesis from lactate
5. What are the steps involved in beta-oxidation of fatty acids? 10
OR
Write notes on the following 5+5=10
FAS complex
Transport of fatty acids into mitochondria