Waec Model Questions Vol1 2018 Biology Question 3

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

Waec Model Questions Vol1 2018 Biology Essay / Theory

Topic: Nutrition

Question 3 WAEC_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • essay

A senior secondary school student is studying human nutrition and is required to answer the following:

Question Parts

( a )

Explain the process of digestion and absorption of carbohydrates, stating the major enzymes involved and the specific sites where each step occurs.

( b )

The student’s daily diet provides 250 g of carbohydrate, 70 g of protein and 60 g of fat. Calculate the total caloric intake from this diet and state whether it meets the recommended daily allowance of 2500 kcal for a teenage male. Show all calculations and briefly discuss the possible health implications of a surplus or deficit.

( c )

Identify two nutritional disorders that result from deficiency of (i) vitamin A and (ii) iron. For each disorder, describe the principal symptoms, underlying cause and at least one preventive measure.

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About This Question

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

The question covers Nutrition .

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