Description
APPLIED SCIENCES
Assignment – 1 (Block 1 & 2) Tutor marked
Biochemistry & Biophysics
Programme Code: B.Sc. N. (PB)
Course Code: BNS – 202
Assignment Code: BNS 202/TMA-1/2025
Maximum Marks: 100
Last date of Submission: August 31st, 2025
Note: Section A(Biochemistry) and B (Biophysics) are to be attempted on separate answer sheets.
Section A Biochemistry Maximum Marks: 50
1. a) Explain the metabolism of Carbohydrates in human body
b) Describe the anomalies associated with carbohydrate metabolism (10+5=15)
2. How are radioisotopes useful in the medical field? Briefly describe, giving specific examples.
(5)
3. a) Explain the difference between osmosis and dialysis.
b) How is dialysis useful in a clinical situation? (2+3=5)
4. Nucleic acids are central to the very life process itself. Explain their role in living organisms.
(5)
5. How are peptides formed from amino acids? Mention the specific role of certain natural peptides.
(5)
6. Enzymes in blood have diagnostic importance. Illustrate it with specific examples.
(5)
7. a) Differentiate between the physical and chemical changes of matter.
b) List the differences between compounds and mixtures. (2+3=5)
8.a) Explain the properties of proteins.
b) Discuss the functions of enzymes. (2+3=5)
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Section B: Biophysics Maximum Marks: 50
1. a. What is the power of accommodation and least distance of distinct vision?
b. Explain the image formation by the eye lens in a normal eye.
c. Describe the defect of vision and how are they corrected. Illustrate your answer with the help of a
diagram. (2+2+2+9=15)
2. a. Explain the two types of errors present in measurement.
b. Illustrate them with example of measurements taken by nurses.
c. Describe he defects of vision and how are they corrected. Illustrate your answer with the help
of a diagram. (2+2+1=5)
3. a. Difference between density and relative density.
b. What is buoyant force?
c. Why underwater exercise suggested for the rehabilitation of muscles and joints?
(2+1+2=5)
4. a. How is heat lost from our body (explain diagrammatically)?
b. What does hypothalamus initiate if body temperature increased due to heavy exercise?
(4+1=5)
5. a. What is diathermy. In which condition is it effective?
b. Why is the (Operation Theater) OT uniform mostly cotton based?
(2+3=5)
6. a. Explain the factors on which the flow of fluid through an orifice depends.
b. Describe the relationship between high blood pressure and thickening or arteries.
(2+3=5)
7. Explain Clinical Uses of Radioisotopes (5)
8. Explain the physics of hearing. (5)
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APPLIED SCIENCES
Assignment – 2 (Block 3, 4 & 5) Tutor marked
Microbiology and Nutrition & Dietetics
Programme Code: B.Sc. N. (PB)
Course Code: BNS – 202
Assignment Code: BNS 202/TMA-2/2025
Maximum Marks: 100
Last date of Submission: September 30th, 2025
Note: Section A(Microbiology) and B (Nutrition and Dietetics) are to be attempted on separate answer
sheets.
Section A Microbiology Maximum Marks: 50
1. Define chemotherapy. What is their source of production? Give two examples of commonly used
antibiotics in hospital. Differentiate between a bactericidal and bacteriostatic antibiotic.
(1+1½+1½+1½+2=7½)
2. Draw a labeled diagram of a typical bacterial cell showing its various organelles.
State the function of each of them. How do bacteria reproduce in nature?
(3+2½+2=7½)
3. Name the causative agents of the following diseases, describe the mode of transmition from the patient
to a healthy person? (5×3=15)
a) Acquired Immunodeficiency Syndrome (AIDS)
b) Hydrophobia
c) Chicken pox
d) Dengue fever
e) Measles
4. List the general characteristics of mycobacterium. How do you stain them in the laboratory? Name four
mycobacteria of medical importance and the diseases caused by them. (2+1+2=5)
5. Define immunity. Differentiate between innate and acquired immunity. Enumerate the factors
influencing the development of immunity in an individual. (1+2½+1½=5)
6. How do fungi differ from bacteria? Explain the characteristics of Candida albicans. Name the various
diseases caused by fungi. (1+2+2=5)
7. With the help of a diagram, describe the life cycle of Leishmania Donovani. Describe the process of
diagnosis of Kala Azar (Visceral Leishmaniasis). (3½+1½=5)
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Section B: Nutrition and Dietetics Maximum Marks: 50
1. Name three diseases caused by dietary deficiency and three diseases caused due to excessive dietary
intake, suggest measures for management of one disease from each category.
(3+3+4½+4½=15)
2. Discuss advantages of dietary survey in detail. (5)
3. Explain the importance of fibres in daily diet, list important sources of fibres. (2½+2½=5)
4. Define hypothyroidism. What diet is suitable for such a patient? (2+3=5)
5. What is the significance of food laws and standards in promotion of public health? Suggest ways for its
effective implementation. (2½+2½=5)
6. What are the symptoms of hypoglycemia? Describe the management of hypoglycemic patient.
(2½+2½=5)
7. (a) Discus the hazards of food contamination
(b) Explain measures which can be taken to promote food safety. (2+3=5)
8. Describe the special dietary needs related to childhood problems.
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