Neco 2023 Biology Question 3

Practice essay / theory question 3 from the 2023 Neco Biology examination. This question covers Nutrition .

Neco 2023 Biology Essay / Theory
Topic: Nutrition
Question 3 NECO • 2023 • BIOLOGY • essay

A 10‑year‑old child weighing 30 kg consumes the following foods in a day: - 2 boiled eggs (each provides 6 g protein, 5 g fat) - 150 g boiled rice (2.5 g protein, 28 g carbohydrate, 0.4 g fat per 100 g) - 100 g grilled chicken breast (31 g protein, 3.6 g fat) - 250 ml whole milk (3.3 g protein, 5 g carbohydrate, 3.5 g fat per 100 ml) - 30 g roasted peanuts (25 g protein, 16 g carbohydrate, 49 g fat per 100 g) - 1 medium orange (130 mg vitamin C) and 100 g broccoli (89 mg vitamin C) The recommended dietary allowance (RDA) for protein for a child of this age is 0.95 g kg⁻¹ body weight per day, and the recommended energy distribution is: 55–65 % from carbohydrate, 10–15 % from protein and 20–30 % from fat. The RDA for vitamin C is 45 mg per day. Answer the following:

Question Parts

( a )
Calculate the total amount of protein (in grams) consumed and state whether it meets, exceeds or falls short of the RDA.
( b )
Determine the percentage contribution of protein, carbohydrate and fat to the total dietary energy (use 4 kcal g⁻¹ for protein and carbohydrate, 9 kcal g⁻¹ for fat). Compare each percentage with the recommended range and comment on the balance of the diet.
( c )
Based on your findings in (a) and (b), suggest two specific dietary modifications that would improve the nutritional balance for this child. Explain the rationale for each suggestion.

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About This Question

This is Neco 2023 Biology Question 3. It is one of the essay questions from the 2023 Neco Biology examination.

The question covers Nutrition .

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