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IGNOU MFN-04 (July 2024 – January 2025) Assignment Questions
IGNOU MFN-04 (July 2023 – January 2024) Assignment Questions
Section A – Descriptive Questions
There are eight questions in this part. Answer all questions.
1. a) Enumerate several methods used for studying the nutrient requirements for an individual.
b) Define energy requirement and energy expenditure. Enlist the factors which affect energy requirement and expenditure.
2. a) Define carbohydrates. Explain classification of carbohydrates based on degree of polymerization (DP).
b) Comment on the statement by giving appropriate justification “Protein quality of our diet can be improved.”
3. a) What are essential fatty acids? Give examples and explain their importance.
b) What are the functions of water in our body? Explain.
c) Explain how electrolytes and plasma proteins control body water distribution.
4. a) Elaborate the role of vitamin A in visual perception. What are the factors which affects the bioavailability of vitamin A?
b) Describe the role of thiamine as coenzyme in various enzyme catalyzed reactions. Also explain how decreased intake of thiamine in diet influences our health.
5. a) Discuss metabolic fate of folate giving its food sources.
b) Describe causes and symptoms of pernicious anaemia. What recommendation you will give for preventing pernicious anaemia in vegans?
6. a) Discuss various factors which affect bioavailability of calcium in our body.
b) Explain absorption of non-haem iron in our body. What are the various factors which affect absorption of dietary iron?
7. a) Give functions of any four copper containing enzymes.
b) Elaborate the role of selenium in antioxidant defense system in our body.
c) Differentiate between probiotics and prebiotics giving their food sources.
8. a) Define antinutritional factors. How saponins and lectins exhibits antinutritional property?
b) Explain in brief about various physiological changes which takes place during pregnancy.
9. a) Briefly discuss various nutritional problems of infants and preschoolers.
b) Explain growth chart and its uses.
c) Discuss nutritional requirements for adolescent. Also give some guidelines for advocating good eating habits in them.
10. a) Give nutritional recommendations for elderly with chewing difficulty.
b) Define physical fitness. Describe five measurable components of physical fitness.
c) Explain role of iron in gene expression.
Section B – OTQ (Objective Type Questions)
1. Briefly explain the following terms giving examples:
i) Mutual supplementation
ii) Conjunctival Impression Cytology
iii) Nicotinamide adenine dinucleotide
iv) Iron toxicity
v) Prebiotics
vi) Phytoestrogens
vii) Lactogenesis
viii) Bifidogenic effect of fructans
ix) Protein Energy Ratio
x) EAR
2. Calculate the energy requirement of Kanupriya, who is a 32-year-old moderately active female using the factorial estimation of total energy expenditure. Note: Refer Unit 2, MFN-004 for the necessary calculations.
3. Give full form of the following:
i. PDCAAS vi. ATP
ii. ICF vii. AAD
iii. 1,25-(OH)2D viii BMI
iv. FAD ix. TEE
v. BMD x. WHR
