BSc Biochemistry Sem II 2016 17 2016-17 Biochemistry Paper II Question Paper - Mumbai University | munotes

Questions asked in this paper

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• 2. Figures to the right indicate full marks

1. Q3 Draw structures and diagrams wherever necessary
2. Q1 A Define and explain the following terms: 10 marks
   • i) Bolus
   • ii) Aquaporin
   • iii) Coccus
   • iv) Nucleoplasm
   • v) Pathogen B State TRUE or FALSE giving reason: 10
   • i) Distal convoluted tubule is fully permeable to water
   • iii) The longest phase in mitosis is anaphase
   • iv) In Gram staining, iodine is used as a mordant
   • v) Anaerobic bacteria can grow as a pellicle
3. Q2 the following (Any four) 20 marks
   • i) Explain the different stages of second meiotic division with the aid of neat labelled
   • ii) Summarize the events of first meiotic prophase
   • iii) With the help of neat, labelled diagrams, explain cytokinesis
   • iv) Write a note on:
   • a) Mitotic spindle
   • b) Nuclear membrane
   • v) Diagrammatically, explain the ultra structure of a typical nucleus
   • vi) Discuss different types of proteins and nucleic acids found in the nucleus
   • vii) Elaborate on the structure and chemical composition of nucleolus
   • viii) Define cell cycle and write in detail about the sequence of events in interphase
   • Q.P. Code : 07740
4. Q3 Answer the following:(Any four) 20 marks
   • i) Seema is complaining of weakness. Her lab reports showed a depleted sodium level. Is there a correlation between the two findings? Explain your answer
   • ii) Explain the digestion of starch with a special mention of the enzymes involved
   • iii) Describe the process of digestion of proteins
   • iv) Elaborate on the role of accessory organs in the digestive process
   • v) Compare the process of urine formation in proximal and distal convoluted tubule
   • vi) In detail explain regulation of tubular reabsorption
   • vii) State True or False and justify — “kidney has functions other than excretion”
   • viii) Explain counter- current mechanism of urine formation
5. Q4 Answer the following: (Any four) 20 marks
   • i) Citing examples, discuss bacterial classification based on shape and number of cells
   • ii) Write an elaborate note on Flagella’ and its significance for bacteria
   • iii) Describe in detail capsule staining
   • iv) Write a note on bacteria surviving in extreme conditions
   • v) Justify: “In synchronous culture, all microorganisms are in the same phase of growth.”
   • vi) Differentiate between gram positive and gram negative bacteria
   • vii) Explain the contributions of any two scientists to the field of microbiology
   • viii) State True or False justify -“Bacteria can utilize both organic and inorganic sources of
6. Q5 the following :( Any four) 20 marks
   • i) Justify in detail: “Staining techniques are an important tool in microbiology”
   • ii) Explain the structure of bacteria with the help of a neat labelled diagram
   • iii) Compare mitosis and meiosis
   • iv) Write a note on cell cycle
   • v) Discuss the importance of bile in lipid digestion and absorption
   • vi) With the help of a neat detailed diagram, explain the structure of a nephron

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