BSc Biochemistry Sem II 2021 2022 May 2022 BIOCHEMISTRY I Question Paper - Mumbai University | munotes

Questions asked in this paper

• 3. Figures to the right indicate full marks

1. Q1 Choose the correct option & rewrite the statements. (2 Marks each)
   • 2. Lipogenesis is
   • a)Formation of Formation of carbohydrate Formation of lipid
   • d) Formation of glycogen
   • a) Breakdown of glucose Breakdown of protein c) Breakdown of lipid
   • d) Breakdown of lipoprotein
   • 4. MUFAstands for
   • d) None of the above
   • 5. PUFA Stands for
   • 6. The quantity of free fatty acid in Fat is called
   • a) Acid value b) Saponification c) Ozonolysis d) None of the above
   • 7. The hydrolysis of fats by alkali is called
   • a) Saponification b) Ozonolysis c) Acid value d) None of the above
   • 8. is anumber of grams of iodine absorbed by 100 gm of fat
   • 9. are the building blocks of both DNA and RNA
   • 11. What does ATP stand for?
   • d)Arginine triphosphate
   • 12. is a pyrimidine nucleoside triphosphate, consisting of the organic base uracil linked to the 1' carbon of the ribose sugar
   • 13. and deoxyribose are two types of pentose sugar that occur in nucleotides Fructose b) Ribose c) Glucose d) None of the above
   • 14. The DNA contains all of the nitrogenous bases except
   • 15. The ribose differs from deoxyribose in having a -OH group instead of-Hat___ position
   • 16. The gives the acid nature to the nucleotides and nucleic acids
   • 17. Anemia is defined as a lack of
   • 18. Saturated fats come from
   • 19. All of the following are sources of calories except VCD/ /BIOCHEMISTRY — SEMESTER II MARKS — 100 TIME- 3 HRS / 20. The body's preferred source of energy is
   • 21. Adiet high in has been linked to high blood pressure
   • 22. The most common form of fat circulating in the body is
   • 23. Which one of the following statements is correct?
   • a) Carbohydrates are the body's major energy reserve
   • b) When there is no further need for amino acids for growth or repair, they are broken down and used for energy
   • c) The carbohydrates glucose, sucrose and fructose are non-glycaemic carbohydrates
   • d) to carbon, hydrogen and oxygen, all fats contain nitrogen
   • 24. Which one of the following statements is correct?
   • a) Vitamins are inorganic substances required by the body in small amounts for its normal
   • b) Vitamins are required in gram amounts each day, whereas trace elements are required in milligram amounts
   • c) Carbohydrates, fats and proteins all have structural roles in the body
   • d) Excessive intake of one mineral has no effect on the uptake of another allows us to determine the number of calories per gram of food
2. Q2 Answer the following questions (Any 2) 10 marks
   • a) Explain the chemical reactions of Lipids- 1) Saponification 2) lodination
   • b) Explain the chemical reactions of Lipids- 1) Ozonolysis 2) Auto-oxidation
   • c) What is Rancidity? Give its significance
   • d) Define the terms- 1) Acid number 2) Saponification number 3) lodine number
3. Q3 Answer the following questions (Any 2) 10 marks
   • a) Explain the two physical evidences of DNA
   • b) Explain the role of rRNA and tRNA
   • c) a colored product when reacted with DPA reagent. Explain why?
   • d) Write in brief about following terms: 1. Central dogma 2. Ribozymes
4. Q4 Answer the following questions (Any 2) 10 marks
   • a) Give the nutritional significance of Proteins
   • b) Write a short on Balance diet
   • c) What is BOMB Calorimeter? Explain its working principle
   • d) Why are carbohydrates an important part of our diet? Explain
5. Q5 Answer the following questions (Any 4) 20 marks
   • a) Write a short note on compound lipids
   • b) State the functions of Glycerophospholipids
   • c) With of structures explain pyrimidines and its types
   • d) Explain the types of all bonds involved in formation of nucleic acid
   • e) Define the terms- 1) Calorie 2) BMI 3) Biological value
   • f) Why is water an important part of our diet?

Read from the scan above, so a character or two may differ. The scan is the original.