D
r. . MEDICAL
[MBBS 0825] AUGUST 2025 Sub. Code: 7055
(For the candidates admitted from the Academic Year 2024-2025)
FIRST PROFESSIONAL ? (CBME)
PAPER I ? BIOCHEMISTRY
Time: 20 Minutes
Maximum : 20 Marks
Answer All Questions
SET - A
IV. Multiple Choice Questions:
1. All the following activities are taking place inside mitochondria EXCEPT
A) Tricarboxylic acid cycle B) Electro Transport Chain
C) Beta Oxidation of Fatty acid D) Denovo fatty acid synthesis
metabolism is Mental retardation a feature?
A) EssentialPentosuria B) Galactosemia
C) Carnitine deficiency D) Glucose -6- Phosphate dehydrogenase deficiency
3. A newborn baby present with recurrent hypoglycemia. All are the reasons for
A) Low Acetyl CoA B) Low NADH C) High Insulin
D) Low ATP
4. Lipotropic factors are substances that
A) Prevents Fatty liver B) Prevent cholesterol deposition in Liver
5. Sources of NADPH include all EXCEPT
A) Glucose -6- Phosphate dehydrogenase B) 6-phosphogluconate dehydrogenase
C) Cytosolic Malate dehydrogenase D) CytosolicIsocitrate dehydrogenase
6. In a competitive inhibition
B) Km is decreased
C) Vmax is decreased
D) Reaction rate is independent of substrate concentration
7. Unsaturation of fatty acids is taking place in which of the following sub cellular fraction?
8. Which of the following dietary modifications have minimum hypocholesterolemic action?
A) Inclusion of fruits and vegetables B) Dietary cholesterol <300mg/day
C) Intake of whole wheat bran D) Consuming fish as the only non-veg food
... 2 ...
... 2 ...
9. Vitamin K is inhibited by
A) Isoniazid B) Methotrexate C) Dicoumarol D) Avidin
10. Which of the following vitamin is required for oxidative decarboxylation?
A) Thiamine pyrophosphate B) Pyroxidal phosphate C) Biotin D) Riboflavin
A) 50 mg/day B) 75 mg/day C) 25 mg/day D) 100 mg/day
12. A symptomatic 45 year old woman came for checkup in a clinic. She is found to be
hypercalcemic. Which hormone testing helps to differentiate the causes of hypercalcemia?
A) PTH B) Glucagon C) Vitamin B12 D) Growth hormone
A) Oxidases B) Dehydrogenases C) Peroxidases D) Reductases
14. Copper dependent enzymes are all EXCEPT
A) Homogentisate Oxidase B) Cytochrome Oxidase
C) Lysyl oxidase D) Tyrosinase
A) Cereals B) Maize C) Milk D) Pulses
16. Which of the following element has antioxidant role?
A) Chromium B) Zinc C) Selenium D) Nickel
17. An elderly male presented with constipation. Physician advised him to take fibre rich
A) Increase bowel motility B) Promotes constipation
C) Increases Cholesterol level D) Decreases glucose tolerance
18. Body is in positive nitrogen balance in
A) Corticosteroid therapy B) Chronicillness
19. A baby with severe malnutrition presented with edema to the pediatric clinic. The age
of onset of Kwashiorkor is
A) Below 1 year B) 1 to 5 years C) More than 5 years D) 6 months
20. For which of the following test fasting sample is preferred?
*********
[MBBS 0825]
D
r. . MEDICAL
[MBBS 0825] AUGUST 2025 Sub. Code: 7055
M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2024-2025)
FIRST PROFESSIONAL ? (CBME)
PAPER I ? BIOCHEMISTRY
Q.P. Code: 527055
Time: 20 Minutes
Maximum : 20 Marks
Answer All Questions
Shade the correct answer with Black or Blue ink ball point pen
SET - B
(20 x 1 = 20)
A) Glucose -6- Phosphate dehydrogenase B) 6-phosphogluconate dehydrogenase
C) Cytosolic Malate dehydrogenase D) CytosolicIsocitrate dehydrogenase
2. In a competitive inhibition
A) Inhibitor has structural similarity to substrate
C) Vmax is decreased
D) Reaction rate is independent of substrate concentration
3. Unsaturation of fatty acids is taking place in which of the following sub cellular fraction?
A) Mitochondria B) Endoplasmic reticulum C) Peroxisome D) Lysosome
A) Inclusion of fruits and vegetables B) Dietary cholesterol <300mg/day
C) Intake of whole wheat bran D) Consuming fish as the only non-veg food
5. Vitamin K is inhibited by
A) Isoniazid B) Methotrexate C) Dicoumarol D) Avidin
A) Thiamine pyrophosphate B) Pyroxidal phosphate C) Biotin D) Riboflavin
7. Daily requirement of Vitamin C is
A) 50 mg/day B) 75 mg/day C) 25 mg/day D) 100 mg/day
8. A symptomatic 45 year old woman came for checkup in a clinic. She is found to be
A) PTH B) Glucagon C) Vitamin B12 D) Growth hormone
9. The Enzymes of Electron Transport Chain belong to the following classes except
A) Oxidases B) Dehydrogenases C) Peroxidases D) Reductases
... 2 ...
... 2 ...
10. Copper dependent enzymes are all EXCEPT
A) Homogentisate Oxidase B) Cytochrome Oxidase
C) Lysyl oxidase D) Tyrosinase
11. Iron is deficient in
12. Which of the following element has antioxidant role?
A) Chromium B) Zinc C) Selenium D) Nickel
13. An elderly male presented with constipation. Physician advised him to take fibre rich
diet. Increased intake of dietary fibre
C) Increases Cholesterol level D) Decreases glucose tolerance
14. Body is in positive nitrogen balance in
A) Corticosteroid therapy B) Chronicillness
C) Convalescence after illness D) Acute illness
of onset of Kwashiorkor is
A) Below 1 year B) 1 to 5 years C) More than 5 years D) 6 months
16. For which of the following test fasting sample is preferred?
A) Bilirubin B) Triglycerides C) Lipase D) Uric acid
A) Tricarboxylic acid cycle B) Electro Transport Chain
C) Beta Oxidation of Fatty acid D) Denovo fatty acid synthesis
18. A 2 year old baby presented with delayed milestones. Which inborn error in carbohydrate
metabolism is Mental retardation a feature?
C) Carnitine deficiency D) Glucose -6- Phosphate dehydrogenase deficiency
19. A newborn baby present with recurrent hypoglycemia. All are the reasons for
hypoglycemia in Impaired Beta Oxidation EXCEPT
A) Low Acetyl CoA B) Low NADH C) High Insulin
20. Lipotropic factors are substances that
A) Prevents Fatty liver B) Prevent cholesterol deposition in Liver
C) Prevent atherosclerosis D) Induce Fatty liver
*********
D
r. . MEDICAL
[MBBS 0825] AUGUST 2025 Sub. Code: 7055
M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2024-2025)
FIRST PROFESSIONAL ? (CBME)
Q.P. Code: 527055
Time: 20 Minutes
Maximum : 20 Marks
Shade the correct answer with Black or Blue ink ball point pen
SET - C
IV. Multiple Choice Questions:
(20 x 1 = 20)
1. Which of the following vitamin is required for oxidative decarboxylation?
A) Thiamine pyrophosphate B) Pyroxidal phosphate C) Biotin D) Riboflavin
2. Daily requirement of Vitamin C is
3. A symptomatic 45 year old woman came for checkup in a clinic. She is found to be
hypercalcemic. Which hormone testing helps to differentiate the causes of hypercalcemia?
A) PTH B) Glucagon C) Vitamin B12 D) Growth hormone
4. The Enzymes of Electron Transport Chain belong to the following classes except
5. Copper dependent enzymes are all EXCEPT
A) Homogentisate Oxidase B) Cytochrome Oxidase
C) Lysyl oxidase D) Tyrosinase
6. Iron is deficient in
7. Which of the following element has antioxidant role?
A) Chromium B) Zinc C) Selenium D) Nickel
8. An elderly male presented with constipation. Physician advised him to take fibre rich
diet. Increased intake of dietary fibre
C) Increases Cholesterol level D) Decreases glucose tolerance
9. Body is in positive nitrogen balance in
A) Corticosteroid therapy B) Chronicillness
C) Convalescence after illness D) Acute illness
... 2 ...
10. A baby with severe malnutrition presented with edema to the pediatric clinic. The age
of onset of Kwashiorkor is
A) Below 1 year B) 1 to 5 years C) More than 5 years D) 6 months
A) Bilirubin B) Triglycerides C) Lipase D) Uric acid
12. All the following activities are taking place inside mitochondria EXCEPT
A) Tricarboxylic acid cycle B) Electro Transport Chain
13. A 2 year old baby presented with delayed milestones. Which inborn error in carbohydrate
metabolism is Mental retardation a feature?
A) EssentialPentosuria B) Galactosemia
C) Carnitine deficiency D) Glucose -6- Phosphate dehydrogenase deficiency
hypoglycemia in Impaired Beta Oxidation EXCEPT
A) Low Acetyl CoA B) Low NADH C) High Insulin
D) Low ATP
15. Lipotropic factors are substances that
C) Prevent atherosclerosis D) Induce Fatty liver
16. Sources of NADPH include all EXCEPT
A) Glucose -6- Phosphate dehydrogenase B) 6-phosphogluconate dehydrogenase
C) Cytosolic Malate dehydrogenase D) CytosolicIsocitrate dehydrogenase
A) Inhibitor has structural similarity to substrate
B) Km is decreased
C) Vmax is decreased
D) Reaction rate is independent of substrate concentration
A) Mitochondria B) Endoplasmic reticulum C) Peroxisome D) Lysosome
19. Which of the following dietary modifications have minimum hypocholesterolemic action?
A) Inclusion of fruits and vegetables B) Dietary cholesterol <300mg/day
C) Intake of whole wheat bran D) Consuming fish as the only non-veg food
A) Isoniazid B) Methotrexate C) Dicoumarol D) Avidin
*********
[MBBS 0825]
D
[MBBS 0825] AUGUST 2025 Sub. Code: 7055
M.B.B.S. DEGREE EXAMINATION
FIRST PROFESSIONAL ? (CBME)
PAPER I ? BIOCHEMISTRY
Q.P. Code: 527055
Maximum : 20 Marks
Answer All Questions
Shade the correct answer with Black or Blue ink ball point pen
IV. Multiple Choice Questions:
(20 x 1 = 20)
A) Cereals B) Maize C) Milk D) Pulses
2. Which of the following element has antioxidant role?
A) Chromium B) Zinc C) Selenium D) Nickel
3. An elderly male presented with constipation. Physician advised him to take fibre rich
A) Increase bowel motility B) Promotes constipation
C) Increases Cholesterol level D) Decreases glucose tolerance
4. Body is in positive nitrogen balance in
A) Corticosteroid therapy B) Chronicillness
5. A baby with severe malnutrition presented with edema to the pediatric clinic. The age
of onset of Kwashiorkor is
A) Below 1 year B) 1 to 5 years C) More than 5 years D) 6 months
6. For which of the following test fasting sample is preferred?
7. All the following activities are taking place inside mitochondria EXCEPT
A) Tricarboxylic acid cycle B) Electro Transport Chain
C) Beta Oxidation of Fatty acid D) Denovo fatty acid synthesis
metabolism is Mental retardation a feature?
A) EssentialPentosuria B) Galactosemia
C) Carnitine deficiency D) Glucose -6- Phosphate dehydrogenase deficiency
9. A newborn baby present with recurrent hypoglycemia. All are the reasons for
A) Low Acetyl CoA B) Low NADH C) High Insulin
D) Low ATP
... 2 ...
... 2 ...
A) Prevents Fatty liver B) Prevent cholesterol deposition in Liver
C) Prevent atherosclerosis D) Induce Fatty liver
11. Sources of NADPH include all EXCEPT
A) Glucose -6- Phosphate dehydrogenase B) 6-phosphogluconate dehydrogenase
12. In a competitive inhibition
A) Inhibitor has structural similarity to substrate
B) Km is decreased
C) Vmax is decreased
13. Unsaturation of fatty acids is taking place in which of the following sub cellular fraction?
A) Mitochondria B) Endoplasmic reticulum C) Peroxisome D) Lysosome
14. Which of the following dietary modifications have minimum hypocholesterolemic action?
A) Inclusion of fruits and vegetables B) Dietary cholesterol <300mg/day
15. Vitamin K is inhibited by
A) Isoniazid B) Methotrexate C) Dicoumarol D) Avidin
16. Which of the following vitamin is required for oxidative decarboxylation?
A) Thiamine pyrophosphate B) Pyroxidal phosphate C) Biotin D) Riboflavin
A) 50 mg/day B) 75 mg/day C) 25 mg/day D) 100 mg/day
18. A symptomatic 45 year old woman came for checkup in a clinic. She is found to be
hypercalcemic. Which hormone testing helps to differentiate the causes of hypercalcemia?
A) PTH B) Glucagon C) Vitamin B12 D) Growth hormone
A) Oxidases B) Dehydrogenases C) Peroxidases D) Reductases
20. Copper dependent enzymes are all EXCEPT
A) Homogentisate Oxidase B) Cytochrome Oxidase
C) Lysyl oxidase D) Tyrosinase
[MBBS 0825]
r. . MEDICAL
[MBBS 0825] AUGUST 2025 Sub. Code: 7055
--- Content provided by FirstRanker.com ---
M.B.B.S. DEGREE EXAMINATION(For the candidates admitted from the Academic Year 2024-2025)
FIRST PROFESSIONAL ? (CBME)
PAPER I ? BIOCHEMISTRY
--- Content provided by FirstRanker.com ---
Q.P. Code: 527055Time: 20 Minutes
Maximum : 20 Marks
Answer All Questions
--- Content provided by FirstRanker.com ---
Shade the correct answer with Black or Blue ink ball point penSET - A
IV. Multiple Choice Questions:
--- Content provided by FirstRanker.com ---
(20 x 1 = 20)1. All the following activities are taking place inside mitochondria EXCEPT
A) Tricarboxylic acid cycle B) Electro Transport Chain
C) Beta Oxidation of Fatty acid D) Denovo fatty acid synthesis
--- Content provided by FirstRanker.com ---
2. A 2 year old baby presented with delayed milestones. Which inborn error in carbohydratemetabolism is Mental retardation a feature?
A) EssentialPentosuria B) Galactosemia
C) Carnitine deficiency D) Glucose -6- Phosphate dehydrogenase deficiency
3. A newborn baby present with recurrent hypoglycemia. All are the reasons for
--- Content provided by FirstRanker.com ---
hypoglycemia in Impaired Beta Oxidation EXCEPTA) Low Acetyl CoA B) Low NADH C) High Insulin
D) Low ATP
4. Lipotropic factors are substances that
A) Prevents Fatty liver B) Prevent cholesterol deposition in Liver
--- Content provided by FirstRanker.com ---
C) Prevent atherosclerosis D) Induce Fatty liver5. Sources of NADPH include all EXCEPT
A) Glucose -6- Phosphate dehydrogenase B) 6-phosphogluconate dehydrogenase
C) Cytosolic Malate dehydrogenase D) CytosolicIsocitrate dehydrogenase
6. In a competitive inhibition
--- Content provided by FirstRanker.com ---
A) Inhibitor has structural similarity to substrateB) Km is decreased
C) Vmax is decreased
D) Reaction rate is independent of substrate concentration
7. Unsaturation of fatty acids is taking place in which of the following sub cellular fraction?
--- Content provided by FirstRanker.com ---
A) Mitochondria B) Endoplasmic reticulum C) Peroxisome D) Lysosome8. Which of the following dietary modifications have minimum hypocholesterolemic action?
A) Inclusion of fruits and vegetables B) Dietary cholesterol <300mg/day
C) Intake of whole wheat bran D) Consuming fish as the only non-veg food
... 2 ...
--- Content provided by FirstRanker.com ---
... 2 ...
9. Vitamin K is inhibited by
A) Isoniazid B) Methotrexate C) Dicoumarol D) Avidin
10. Which of the following vitamin is required for oxidative decarboxylation?
A) Thiamine pyrophosphate B) Pyroxidal phosphate C) Biotin D) Riboflavin
--- Content provided by FirstRanker.com ---
11. Daily requirement of Vitamin C isA) 50 mg/day B) 75 mg/day C) 25 mg/day D) 100 mg/day
12. A symptomatic 45 year old woman came for checkup in a clinic. She is found to be
hypercalcemic. Which hormone testing helps to differentiate the causes of hypercalcemia?
A) PTH B) Glucagon C) Vitamin B12 D) Growth hormone
--- Content provided by FirstRanker.com ---
13. The Enzymes of Electron Transport Chain belong to the following classes exceptA) Oxidases B) Dehydrogenases C) Peroxidases D) Reductases
14. Copper dependent enzymes are all EXCEPT
A) Homogentisate Oxidase B) Cytochrome Oxidase
C) Lysyl oxidase D) Tyrosinase
--- Content provided by FirstRanker.com ---
15. Iron is deficient inA) Cereals B) Maize C) Milk D) Pulses
16. Which of the following element has antioxidant role?
A) Chromium B) Zinc C) Selenium D) Nickel
17. An elderly male presented with constipation. Physician advised him to take fibre rich
--- Content provided by FirstRanker.com ---
diet. Increased intake of dietary fibreA) Increase bowel motility B) Promotes constipation
C) Increases Cholesterol level D) Decreases glucose tolerance
18. Body is in positive nitrogen balance in
A) Corticosteroid therapy B) Chronicillness
--- Content provided by FirstRanker.com ---
C) Convalescence after illness D) Acute illness19. A baby with severe malnutrition presented with edema to the pediatric clinic. The age
of onset of Kwashiorkor is
A) Below 1 year B) 1 to 5 years C) More than 5 years D) 6 months
20. For which of the following test fasting sample is preferred?
--- Content provided by FirstRanker.com ---
A) Bilirubin B) Triglycerides C) Lipase D) Uric acid*********
[MBBS 0825]
D
r. . MEDICAL
--- Content provided by FirstRanker.com ---
[MBBS 0825] AUGUST 2025 Sub. Code: 7055
M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2024-2025)
--- Content provided by FirstRanker.com ---
FIRST PROFESSIONAL ? (CBME)
PAPER I ? BIOCHEMISTRY
Q.P. Code: 527055
Time: 20 Minutes
--- Content provided by FirstRanker.com ---
Maximum : 20 Marks
Answer All Questions
Shade the correct answer with Black or Blue ink ball point pen
SET - B
--- Content provided by FirstRanker.com ---
IV. Multiple Choice Questions:(20 x 1 = 20)
--- Content provided by FirstRanker.com ---
1. Sources of NADPH include all EXCEPTA) Glucose -6- Phosphate dehydrogenase B) 6-phosphogluconate dehydrogenase
C) Cytosolic Malate dehydrogenase D) CytosolicIsocitrate dehydrogenase
2. In a competitive inhibition
A) Inhibitor has structural similarity to substrate
--- Content provided by FirstRanker.com ---
B) Km is decreasedC) Vmax is decreased
D) Reaction rate is independent of substrate concentration
3. Unsaturation of fatty acids is taking place in which of the following sub cellular fraction?
A) Mitochondria B) Endoplasmic reticulum C) Peroxisome D) Lysosome
--- Content provided by FirstRanker.com ---
4. Which of the following dietary modifications have minimum hypocholesterolemic action?A) Inclusion of fruits and vegetables B) Dietary cholesterol <300mg/day
C) Intake of whole wheat bran D) Consuming fish as the only non-veg food
5. Vitamin K is inhibited by
A) Isoniazid B) Methotrexate C) Dicoumarol D) Avidin
--- Content provided by FirstRanker.com ---
6. Which of the following vitamin is required for oxidative decarboxylation?A) Thiamine pyrophosphate B) Pyroxidal phosphate C) Biotin D) Riboflavin
7. Daily requirement of Vitamin C is
A) 50 mg/day B) 75 mg/day C) 25 mg/day D) 100 mg/day
8. A symptomatic 45 year old woman came for checkup in a clinic. She is found to be
--- Content provided by FirstRanker.com ---
hypercalcemic. Which hormone testing helps to differentiate the causes of hypercalcemia?A) PTH B) Glucagon C) Vitamin B12 D) Growth hormone
9. The Enzymes of Electron Transport Chain belong to the following classes except
A) Oxidases B) Dehydrogenases C) Peroxidases D) Reductases
... 2 ...
--- Content provided by FirstRanker.com ---
... 2 ...
10. Copper dependent enzymes are all EXCEPT
A) Homogentisate Oxidase B) Cytochrome Oxidase
C) Lysyl oxidase D) Tyrosinase
11. Iron is deficient in
--- Content provided by FirstRanker.com ---
A) Cereals B) Maize C) Milk D) Pulses12. Which of the following element has antioxidant role?
A) Chromium B) Zinc C) Selenium D) Nickel
13. An elderly male presented with constipation. Physician advised him to take fibre rich
diet. Increased intake of dietary fibre
--- Content provided by FirstRanker.com ---
A) Increase bowel motility B) Promotes constipationC) Increases Cholesterol level D) Decreases glucose tolerance
14. Body is in positive nitrogen balance in
A) Corticosteroid therapy B) Chronicillness
C) Convalescence after illness D) Acute illness
--- Content provided by FirstRanker.com ---
15. A baby with severe malnutrition presented with edema to the pediatric clinic. The ageof onset of Kwashiorkor is
A) Below 1 year B) 1 to 5 years C) More than 5 years D) 6 months
16. For which of the following test fasting sample is preferred?
A) Bilirubin B) Triglycerides C) Lipase D) Uric acid
--- Content provided by FirstRanker.com ---
17. All the following activities are taking place inside mitochondria EXCEPTA) Tricarboxylic acid cycle B) Electro Transport Chain
C) Beta Oxidation of Fatty acid D) Denovo fatty acid synthesis
18. A 2 year old baby presented with delayed milestones. Which inborn error in carbohydrate
metabolism is Mental retardation a feature?
--- Content provided by FirstRanker.com ---
A) EssentialPentosuria B) GalactosemiaC) Carnitine deficiency D) Glucose -6- Phosphate dehydrogenase deficiency
19. A newborn baby present with recurrent hypoglycemia. All are the reasons for
hypoglycemia in Impaired Beta Oxidation EXCEPT
A) Low Acetyl CoA B) Low NADH C) High Insulin
--- Content provided by FirstRanker.com ---
D) Low ATP20. Lipotropic factors are substances that
A) Prevents Fatty liver B) Prevent cholesterol deposition in Liver
C) Prevent atherosclerosis D) Induce Fatty liver
*********
--- Content provided by FirstRanker.com ---
[MBBS 0825]D
r. . MEDICAL
[MBBS 0825] AUGUST 2025 Sub. Code: 7055
--- Content provided by FirstRanker.com ---
M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2024-2025)
FIRST PROFESSIONAL ? (CBME)
--- Content provided by FirstRanker.com ---
PAPER I ? BIOCHEMISTRYQ.P. Code: 527055
Time: 20 Minutes
Maximum : 20 Marks
--- Content provided by FirstRanker.com ---
Answer All QuestionsShade the correct answer with Black or Blue ink ball point pen
SET - C
IV. Multiple Choice Questions:
--- Content provided by FirstRanker.com ---
(20 x 1 = 20)
1. Which of the following vitamin is required for oxidative decarboxylation?
A) Thiamine pyrophosphate B) Pyroxidal phosphate C) Biotin D) Riboflavin
2. Daily requirement of Vitamin C is
--- Content provided by FirstRanker.com ---
A) 50 mg/day B) 75 mg/day C) 25 mg/day D) 100 mg/day3. A symptomatic 45 year old woman came for checkup in a clinic. She is found to be
hypercalcemic. Which hormone testing helps to differentiate the causes of hypercalcemia?
A) PTH B) Glucagon C) Vitamin B12 D) Growth hormone
4. The Enzymes of Electron Transport Chain belong to the following classes except
--- Content provided by FirstRanker.com ---
A) Oxidases B) Dehydrogenases C) Peroxidases D) Reductases5. Copper dependent enzymes are all EXCEPT
A) Homogentisate Oxidase B) Cytochrome Oxidase
C) Lysyl oxidase D) Tyrosinase
6. Iron is deficient in
--- Content provided by FirstRanker.com ---
A) Cereals B) Maize C) Milk D) Pulses7. Which of the following element has antioxidant role?
A) Chromium B) Zinc C) Selenium D) Nickel
8. An elderly male presented with constipation. Physician advised him to take fibre rich
diet. Increased intake of dietary fibre
--- Content provided by FirstRanker.com ---
A) Increase bowel motility B) Promotes constipationC) Increases Cholesterol level D) Decreases glucose tolerance
9. Body is in positive nitrogen balance in
A) Corticosteroid therapy B) Chronicillness
C) Convalescence after illness D) Acute illness
--- Content provided by FirstRanker.com ---
... 2 ...... 2 ...
10. A baby with severe malnutrition presented with edema to the pediatric clinic. The age
of onset of Kwashiorkor is
A) Below 1 year B) 1 to 5 years C) More than 5 years D) 6 months
--- Content provided by FirstRanker.com ---
11. For which of the following test fasting sample is preferred?A) Bilirubin B) Triglycerides C) Lipase D) Uric acid
12. All the following activities are taking place inside mitochondria EXCEPT
A) Tricarboxylic acid cycle B) Electro Transport Chain
--- Content provided by FirstRanker.com ---
C) Beta Oxidation of Fatty acid D) Denovo fatty acid synthesis13. A 2 year old baby presented with delayed milestones. Which inborn error in carbohydrate
metabolism is Mental retardation a feature?
A) EssentialPentosuria B) Galactosemia
C) Carnitine deficiency D) Glucose -6- Phosphate dehydrogenase deficiency
--- Content provided by FirstRanker.com ---
14. A newborn baby present with recurrent hypoglycemia. All are the reasons forhypoglycemia in Impaired Beta Oxidation EXCEPT
A) Low Acetyl CoA B) Low NADH C) High Insulin
D) Low ATP
15. Lipotropic factors are substances that
--- Content provided by FirstRanker.com ---
A) Prevents Fatty liver B) Prevent cholesterol deposition in LiverC) Prevent atherosclerosis D) Induce Fatty liver
16. Sources of NADPH include all EXCEPT
A) Glucose -6- Phosphate dehydrogenase B) 6-phosphogluconate dehydrogenase
C) Cytosolic Malate dehydrogenase D) CytosolicIsocitrate dehydrogenase
--- Content provided by FirstRanker.com ---
17. In a competitive inhibitionA) Inhibitor has structural similarity to substrate
B) Km is decreased
C) Vmax is decreased
D) Reaction rate is independent of substrate concentration
--- Content provided by FirstRanker.com ---
18. Unsaturation of fatty acids is taking place in which of the following sub cellular fraction?A) Mitochondria B) Endoplasmic reticulum C) Peroxisome D) Lysosome
19. Which of the following dietary modifications have minimum hypocholesterolemic action?
A) Inclusion of fruits and vegetables B) Dietary cholesterol <300mg/day
C) Intake of whole wheat bran D) Consuming fish as the only non-veg food
--- Content provided by FirstRanker.com ---
20. Vitamin K is inhibited byA) Isoniazid B) Methotrexate C) Dicoumarol D) Avidin
*********
[MBBS 0825]
D
--- Content provided by FirstRanker.com ---
r. . MEDICAL[MBBS 0825] AUGUST 2025 Sub. Code: 7055
M.B.B.S. DEGREE EXAMINATION
--- Content provided by FirstRanker.com ---
(For the candidates admitted from the Academic Year 2024-2025)FIRST PROFESSIONAL ? (CBME)
PAPER I ? BIOCHEMISTRY
Q.P. Code: 527055
--- Content provided by FirstRanker.com ---
Time: 20 MinutesMaximum : 20 Marks
Answer All Questions
Shade the correct answer with Black or Blue ink ball point pen
--- Content provided by FirstRanker.com ---
SET - DIV. Multiple Choice Questions:
(20 x 1 = 20)
--- Content provided by FirstRanker.com ---
1. Iron is deficient inA) Cereals B) Maize C) Milk D) Pulses
2. Which of the following element has antioxidant role?
A) Chromium B) Zinc C) Selenium D) Nickel
3. An elderly male presented with constipation. Physician advised him to take fibre rich
--- Content provided by FirstRanker.com ---
diet. Increased intake of dietary fibreA) Increase bowel motility B) Promotes constipation
C) Increases Cholesterol level D) Decreases glucose tolerance
4. Body is in positive nitrogen balance in
A) Corticosteroid therapy B) Chronicillness
--- Content provided by FirstRanker.com ---
C) Convalescence after illness D) Acute illness5. A baby with severe malnutrition presented with edema to the pediatric clinic. The age
of onset of Kwashiorkor is
A) Below 1 year B) 1 to 5 years C) More than 5 years D) 6 months
6. For which of the following test fasting sample is preferred?
--- Content provided by FirstRanker.com ---
A) Bilirubin B) Triglycerides C) Lipase D) Uric acid7. All the following activities are taking place inside mitochondria EXCEPT
A) Tricarboxylic acid cycle B) Electro Transport Chain
C) Beta Oxidation of Fatty acid D) Denovo fatty acid synthesis
--- Content provided by FirstRanker.com ---
8. A 2 year old baby presented with delayed milestones. Which inborn error in carbohydratemetabolism is Mental retardation a feature?
A) EssentialPentosuria B) Galactosemia
C) Carnitine deficiency D) Glucose -6- Phosphate dehydrogenase deficiency
9. A newborn baby present with recurrent hypoglycemia. All are the reasons for
--- Content provided by FirstRanker.com ---
hypoglycemia in Impaired Beta Oxidation EXCEPTA) Low Acetyl CoA B) Low NADH C) High Insulin
D) Low ATP
... 2 ...
... 2 ...
--- Content provided by FirstRanker.com ---
10. Lipotropic factors are substances thatA) Prevents Fatty liver B) Prevent cholesterol deposition in Liver
C) Prevent atherosclerosis D) Induce Fatty liver
11. Sources of NADPH include all EXCEPT
A) Glucose -6- Phosphate dehydrogenase B) 6-phosphogluconate dehydrogenase
--- Content provided by FirstRanker.com ---
C) Cytosolic Malate dehydrogenase D) CytosolicIsocitrate dehydrogenase12. In a competitive inhibition
A) Inhibitor has structural similarity to substrate
B) Km is decreased
C) Vmax is decreased
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D) Reaction rate is independent of substrate concentration13. Unsaturation of fatty acids is taking place in which of the following sub cellular fraction?
A) Mitochondria B) Endoplasmic reticulum C) Peroxisome D) Lysosome
14. Which of the following dietary modifications have minimum hypocholesterolemic action?
A) Inclusion of fruits and vegetables B) Dietary cholesterol <300mg/day
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C) Intake of whole wheat bran D) Consuming fish as the only non-veg food15. Vitamin K is inhibited by
A) Isoniazid B) Methotrexate C) Dicoumarol D) Avidin
16. Which of the following vitamin is required for oxidative decarboxylation?
A) Thiamine pyrophosphate B) Pyroxidal phosphate C) Biotin D) Riboflavin
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17. Daily requirement of Vitamin C isA) 50 mg/day B) 75 mg/day C) 25 mg/day D) 100 mg/day
18. A symptomatic 45 year old woman came for checkup in a clinic. She is found to be
hypercalcemic. Which hormone testing helps to differentiate the causes of hypercalcemia?
A) PTH B) Glucagon C) Vitamin B12 D) Growth hormone
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19. The Enzymes of Electron Transport Chain belong to the following classes exceptA) Oxidases B) Dehydrogenases C) Peroxidases D) Reductases
20. Copper dependent enzymes are all EXCEPT
A) Homogentisate Oxidase B) Cytochrome Oxidase
C) Lysyl oxidase D) Tyrosinase
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*********[MBBS 0825]