Nutrition and balanced diet Quiz
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5 questions, one answer each
Each answer is checked as you go, with why.
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1. Which food test gives a brick-red colour when it is positive?
- A. Iodine
- B. Benedict's
- C. Biuret
- D. Ethanol emulsion
2. A person has soft, bent bones. Which deficiency is the most likely cause?
- A. Vitamin C
- B. Iron
- C. Fibre
- D. Vitamin D
3. What does a positive biuret test show?
- A. Protein
- B. Starch
- C. Fat
- D. Reducing sugar
4. Why is iron needed in the diet?
- A. To build bones
- B. To provide energy
- C. To make haemoglobin
- D. To digest food
5. Which is the main function of dietary fibre?
- A. Provide energy
- B. Add bulk to help food move through the gut
- C. Build muscle
- D. Carry oxygen