FirstRanker Logo

FirstRanker.com - FirstRanker's Choice is a hub of Question Papers & Study Materials for B-Tech, B.E, M-Tech, MCA, M.Sc, MBBS, BDS, MBA, B.Sc, Degree, B.Sc Nursing, B-Pharmacy, D-Pharmacy, MD, Medical, Dental, Engineering students. All services of FirstRanker.com are FREE

📱

Get the MBBS Question Bank Android App

Access previous years' papers, solved question papers, notes, and more on the go!

Install From Play Store

Download RGUHS MBBS 1st Year 1024 RGUHS MBBS Biochemistry Paper I RS4 2023 May Question Paper

Download RGUHS (Rajiv Gandhi University of Health Sciences) A Bachelor of Medicine, Bachelor of Surgery (MBBS) 1st Year (First Year) 1024 RGUHS MBBS Biochemistry Paper I RS4 2023 May Previous Question Paper || RGUHS MBBS first year question papers

This post was last modified on 18 November 2023

RGUHS MBBS 1st Year Last 15 Years 2010-2025 Previous Question Papers (Rajiv Gandhi University of Health Sciences)


QP CODE: 1024

Rajiv Gandhi University of Health Sciences, Karnataka

MBBS Phase – I (CBME) Degree Examination - 04-May-2023

--- Content provided by FirstRanker.com ---

Time: Three Hours

Max. Marks: 100 Marks

BIOCHEMISTRY – PAPER I (RS-4)

QP Code: 1024

(QP contains two pages)

--- Content provided by⁠ FirstRanker.com ---

Your answers should be specific to the questions asked

Draw neat labeled diagrams wherever necessary

LONG ESSAYS 2x10=20 Marks

  1. A 10-year-old boy was admitted to a hospital with a diagnosis of malaria. He was started on primaquine and antipyretics. Within one day he was found to have developed hemolytic anemia.
    1. Name the pathway affected in the above case and write the enzyme defect in the pathway.
    2. Name the compounds formed in this pathway and write their importance.
    3. --- Content provided by​ FirstRanker.com ---

    4. What is the relation between primaquine and hemolytic anemia?
  2. Describe cholesterol biosynthesis up to the formation of mevalonate. Explain the regulation of cholesterol biosynthesis. Mention two causes of Hypercholesterolemia.

SHORT ESSAYS 8x5=40 Marks

  1. An 8-year-old girl presented with difficulty in vision during night time. Vitamin A deficiency was suspected following examination.
    1. Write the provitamin form of Vitamin A
    2. --- Content provided by‌ FirstRanker.com ---

    3. Explain Wald's visual cycle
  2. A 20-year-old pregnant woman presented with history of fatigue. Her peripheral blood smear showed microcytic hypochromic anemia.
    1. Which mineral deficiency leads to this type of anemia?
    2. Explain the absorption, transport and storage of this mineral.
  3. --- Content provided by‍ FirstRanker.com ---

  4. Describe the role of dietary fibre in nutrition.
  5. State chemiosmotic theory and illustrate the process of oxidative phosphorylation.
  6. Define metabolic acidosis. Enumerate the causes for metabolic acidosis. Write the compensatory mechanism in metabolic acidosis.
  7. Describe the role of any five plasma enzymes in the diagnosis of disease.
  8. Explain niacin under the following headings:
    1. Dietary sources
    2. --- Content provided by‌ FirstRanker.com ---

    3. Co-enzyme forms
    4. Deficiency manifestation
  9. Explain the metabolic changes in starvation.

SHORT ANSWERS 10x3=30 Marks

--- Content provided by​ FirstRanker.com ---

  1. Write the composition and functions of collagen.
  2. Enumerate the biomarkers used in the diagnosis of myocardial infarction (MI). Which biomarker is considered specific for MI and why?
  3. Name three functions of the vitamin whose deficiency causes scurvy.
  4. Name three mucopolysaccharides and write their functions.
  5. Name three phospholipids and write their biological importance.
  6. --- Content provided by‍ FirstRanker.com ---

  7. Mention two causes of hypokalemia. Write biological reference interval for serum potassium.
  8. Define Km. Explain its importance with an example.
  9. Mention the role of carnitine in ß-oxidation.
  10. Write biological importance of selenium.
  11. Define active transport. Give two examples for active transport.
  12. --- Content provided by FirstRanker.com ---

Multiple Choice Questions 10x1=10 Marks

  1. All the following lipids are present in the cell membranes EXCEPT
    1. Lecithin
    2. Cholesterol
    3. Sphingomyelin
    4. Triacylglycerol
    5. --- Content provided by‍ FirstRanker.com ---

  2. Which of the following derivative of monosaccharide is used to reduce raised intra-cranial pressure?
    1. Sorbitol
    2. Dulcitol
    3. Ribitol
    4. Mannitol
    5. --- Content provided by‍ FirstRanker.com ---

  3. Enzymes which are synthesized in an inactive form are called
    1. Apoenzyme
    2. Proenzymes
    3. Coenzyme
    4. Isozyme
    5. --- Content provided by​ FirstRanker.com ---

  4. The product of glycolysis in erythrocytes is
    1. Lactate
    2. Pyruvate
    3. Urate
    4. Acetate
    5. --- Content provided by⁠ FirstRanker.com ---

  5. The vitamin that acts as a coenzyme for transketolase activity is
    1. Pyridoxine
    2. Thiamine
    3. Biotin
    4. Folate
    5. --- Content provided by FirstRanker.com ---

  1. Normal biological reference interval for serum sodium is
    1. 96-105 meq/L
    2. 116-135 meq/L
    3. 136-145 meq/L
    4. 156-165 meq/L
    5. --- Content provided by​ FirstRanker.com ---

  2. Number of calories given by one gram of carbohydrate is
    1. 2
    2. 4
    3. 6
    4. 9
    5. --- Content provided by⁠ FirstRanker.com ---

  3. Nitrogenous base ethanolamine is present in
    1. Phosphatidyl inositol
    2. Plasmalogen
    3. Cephalin
    4. Lecithin
    5. --- Content provided by FirstRanker.com ---

  4. The ratio of bicarbonate to carbonic acid in bicarbonate buffer system is
    1. 20:1
    2. 10:1
    3. 4:1
    4. 1:1
    5. --- Content provided by‌ FirstRanker.com ---

  5. Which of the following does not increase the absorption of calcium?
    1. Vitamin D
    2. Absence of bile salts
    3. Basic amino acids
    4. Acidity
    5. --- Content provided by‌ FirstRanker.com ---

*****

FirstRanker.com


--- Content provided by‌ FirstRanker.com ---


This download link is referred from the post: RGUHS MBBS 1st Year Last 15 Years 2010-2025 Previous Question Papers (Rajiv Gandhi University of Health Sciences)