Neco Model Questions Vol1 2018 Biology Question 3

Practice essay / theory question 3 from the 2018 Neco Model Questions Vol1 Biology examination. This question covers Nutrition .

Neco Model Questions Vol1 2018 Biology Essay / Theory
Topic: Nutrition
Question 3 NECO_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • essay

A 25‑year‑old male office worker consumes a daily diet that provides 250 g of carbohydrate, 80 g of protein and 70 g of fat. The caloric values of the macronutrients are: carbohydrate = 4 kcal g⁻¹, protein = 4 kcal g⁻¹, fat = 9 kcal g⁻¹. Answer the following:

Question Parts

( a )
Explain the role of salivary amylase and pancreatic amylase in the digestion of dietary carbohydrates, indicating where each enzyme acts and the type of reaction it catalyses.
( b )
Calculate the percentage of the total daily caloric intake that is supplied by protein. Show all steps of your calculation.
( c )
Discuss two health consequences that may arise from a chronic deficiency of vitamin A, linking each consequence to the underlying physiological role of the vitamin.

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About This Question

This is Neco Model Questions Vol1 2018 Biology Question 3. It is one of the essay questions from the 2018 Neco Model Questions Vol1 Biology examination.

The question covers Nutrition .

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