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Nutrients: Macronutrients — Carbohydrates, Proteins and Fats
Practice Questions

46 CXC CSEC Food and Nutrition questions on Nutrients: Macronutrients — Carbohydrates, Proteins and Fats, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Nutrients: Macronutrients — Carbohydrates, Proteins and Fats

Question 1 · 1 mark · Difficulty 1/3

A student in Trinidad is studying the nutritional content of local foods. She discovers that cassava is high in a particular macronutrient that provides energy. Which macronutrient is cassava PRIMARILY a source of?

  1. Carbohydrate
  2. Vitamin C
  3. Protein
  4. Fat
Show answer & explanation
✓ Answer: A — Carbohydrate
Award 1 mark for identifying carbohydrate as the primary macronutrient in cassava (ground provisions). C is incorrect — cassava contains minimal protein. D is incorrect — cassava is not a significant source of fat. B is incorrect — Vitamin C is a micronutrient, not a macronutrient.
Question 2 · 1 mark · Difficulty 1/3

During a Food and Nutrition practical in Barbados, students tested various foods for nutrients. When iodine solution was added to a sample of green banana, it turned blue-black. This positive result indicates the presence of:

  1. Fat
  2. Reducing sugar
  3. Starch
  4. Protein
Show answer & explanation
✓ Answer: C — Starch
Award 1 mark for identifying that iodine solution turns blue-black in the presence of starch. B is incorrect — Benedict's solution is used to test for reducing sugars. D is incorrect — Biuret test is used for protein (purple colour). A is incorrect — the grease spot test or ethanol emulsion test is used for fats.
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CXC CSEC Food and Nutrition: Nutrients: Macronutrients — Carbohydrates, Proteins and Fats FAQ

Is Kramizo free for CXC CSEC students preparing for Food and Nutrition?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Nutrients: Macronutrients — Carbohydrates, Proteins and Fats practice with other Food and Nutrition topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Nutrients: Macronutrients — Carbohydrates, Proteins and Fats questions aligned to the official CXC CSEC Food and Nutrition syllabus?
Every question is written against the published CXC CSEC Food and Nutrition specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Nutrients: Macronutrients — Carbohydrates, Proteins and Fats typically tested on CXC CSEC Food and Nutrition papers?
Nutrients: Macronutrients — Carbohydrates, Proteins and Fats appears across multiple question types on real CXC CSEC Food and Nutrition papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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