IGNOU MFN 4 SOLVED ASSIGNMENT

Included:

MFN 004 (July 2025) - ENGLISH

ASSIGNMENT 1

(TMA-1)

Advance Nutrition

Course Code: MFN-004

Assignment Code: MFN-004/AST-1/TMA-1/2025-26

Last Date of Submission: 31 December, 2025

This assignment is based on Units 1-19 of the MFN-004 Course.

Section A - Descriptive Questions

There are eight questions in this part. Answer all questions.

1. a) Briefly discuss the main determinants of nutrient requirements.

Maximum Marks: 100

b) Briefly explain the concept of Recommended Dietary Allowances (RDA) and Estimated Average Requirement (EAR)

c) What is the purpose behind setting the dietary guidelines?

2.a) What do you understand by Chemical score and biological value of protein? How are these used to know the quality of protein in the diet?

b)Explain the mechanism of regulation of blood glucose concentration.

c) List some important functions of carbohydrates.

3.a) Briefly discuss the digestion, absorption and transportation of carbohydrates, proteins and fats.

4.b) Enumerate the potential health benefits of dietary fiber.

c)Why is LDL referred to as bad cholesterol and HDL as good cholesterol?

a)Diagrammatically explain the functions of two major fluid compartments of the body.

b)Differentiate between Glycemic Load (GL) and Glycemic Index (GI),

giving examples. c)Explain the following:

i) Bioavailability of Vitamin A

ii) FOS (Fructooligosaccharide)

5.a) Explain the term calcium homeostasis.

b)How tryptophan is converted to niacin? Explain with the help of flow chart.

c)Briefly describe the role of vitamin E and selenium in lipid peroxidation.

6.a) What are Probiotics and Prebiotics? Briefly discuss their dietary sources and health effects.

b)Comment briefly on the following:

i)Factors that influence the nutrient needs of an adolescent

ii) Effect of maternal malnutrition on foetal outcome

7.a) List the different components of energy expenditure. Define BMR and briefly discuss the factors which influence BMR

b)Write the functions of following:

i) Selenium

ii) Chromium

iii) Manganes

8.a) Briefly discuss the following:

i)Nutrient needs and dietary management for lactating women

ii)Dietary modification for the elderly

b)What do you understand by the term calamity and emergency? Briefly

discuss the measures to avoid protein energy malnutrition and micronutrient deficiency during emergencies.

Section B-OTQ (Objective Type Questions)

1. Briefly explain the following terms giving examples:

i)Ketosis

Ergogenic aids

iii) Saponins

iv) Pre-eclampsia

v) Functional foods

vi) Essential fatty acids

vii) Amylase Inhibitors

viii) Pal

ix) Basal Metabolic Index

x) Resistant Starch

2. Prachi is a 42 year old housewife female having a mean body weight of 55 kg. Calculate the energy requirement using the factorial estimation of total energy expenditure.

Note: Refer Unit 2, MFN-004 for the necessary calculations.

3. List the ICMR (2020) recommended allowances for energy, protein, vitamin A, iron, calcium for the following:

i) Lactating mother

ii) 12 months infant

iii) 70 years old man

iv) 18 years old girl

v) 10 years old boy

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