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How to Score Higher in Cambridge IGCSE Food and Nutrition (0648)

Evidence-based Food and Nutrition 0648 exam guide built from official examiner reports and mark schemes. Specialised and comprehensive study tips — specific, cited insights so you can achieve top grades.

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Evidence-BasedBuilt from 1 official examiner reports & mark schemes (2025–2025)

What Are Assessment Objectives (AOs)?

Before we dive in, you need to understand how Cambridge actually marks your answers.

AO stands for Assessment Objective. Think of AOs as the different “skills” Cambridge tests you on in every single question. When an examiner marks your paper, they don't just give you a mark out of 12 based on how “good” your answer feels — they allocate specific marks to each AO separately.

For example, a 12-mark question might be split as: AO1 (2 marks) + AO2 (2 marks) + AO3 (2 marks) + AO4 (6 marks). If you write a perfect textbook answer but don't evaluate, you can only score 6 out of 12 — because the other 6 marks are specifically reserved for evaluation.

This is why understanding AOs matters: they tell you exactly what the examiner is looking for and how many marks each skill is worth. Here are the 3 AOs for this subject:

AO1

Knowledge and Understanding

~50%

Recall of nutrients, food sources, dietary needs, food science principles, hygiene, preservation and equipment. Examiners reward precise terms — 'monounsaturated' (not 'monosaturated'), 'erepsin' for ileum protein digestion, 'lactase' (the enzyme) vs 'lactose' (the sugar).

AO2

Application and Handling Information

~30%

Apply nutritional knowledge to scenarios — meal planning for teenage girls, vegans, lactose-intolerant individuals, manual workers, young children. Justify why a food/method is suitable for the specific group, not in general.

AO3

Practical Skills and Investigation

~20%

Plan and execute a 150-minute practical, demonstrating dovetailing, correct cooking methods (creaming, whisking, flaky pastry, roux, coating batter), display and serving. Skill level of dish choices drives the marks ceiling.

The key takeaway: Most students lose marks not because they lack knowledge (AO1), but because they skip the higher-order skills — building chains of reasoning (AO2) and making supported judgements (AO3). Everything below shows you exactly how to hit each AO based on what examiners have written in their reports.

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Top Mistakes in IGCSE Food and Nutrition 0648

The most common reasons students lose marks in IGCSE Food and Nutrition 0648, cited directly from official examiner reports across multiple sessions.

Naming foods from the same category when 'different' foods are required

Recurring across Paper 1 variants in 2025 · Affects: Paper 1

What examiners say

“Candidates should be reminded to read questions carefully so that if a question asks for different food sources they do not name three green vegetables or three dairy foods or if asked for animal sources of a particular nutrient they do not give plant sources or vice versa.”
— 0648 Paper 1, May/June 2025

“As the question asked for different animal foods, marks could not be credited for naming foods from the same category such as two dairy foods or meat and poultry.”
— 0648 Paper 1, May/June 2025

How to fix this

When the question says 'different' or 'four different foods', spread answers ACROSS categories — one dairy, one meat, one fish, one egg — not two cheeses and two yoghurts. Different forms of the same food (tofu, tempeh, soya milk are all soya) count once. If asked for animal sources, list only animal foods; if plant sources, list only plant foods.

Writing more responses than the question asks for

Flagged in Paper 1 key messages 2025 · Affects: Paper 1

What examiners say

“Candidates should be reminded that where a specific number of responses are asked for in a question (e.g. State two…), they should only write this number of responses. Only the first number of responses demanded by the question will be marked and any additional responses will be ignored even if correct.”
— 0648 Paper 1, May/June 2025

“Candidates who gave more than two responses could only gain marks from the first two responses given.”
— 0648 Paper 1, May/June 2025

How to fix this

If the question asks for two foods, write exactly two — even if you know five. Examiners only mark the first n answers, so a wrong first answer is wasted opportunity. Pick your strongest answers and stop. Cross out anything you don't want marked.

Vague dish names without cooking method or descriptor

Coagulation and similar questions, Paper 1 2025 · Affects: Paper 1

What examiners say

“Incorrect responses included simply stating steak, chicken or cake rather than more specific answers such as grilled steak, fried chicken or sponge cake to distinctly illustrate understanding.”
— 0648 Paper 1, May/June 2025

How to fix this

When asked to name a dish that demonstrates a process (coagulation, gelatinisation, aeration), pair the food with its cooking method or specific type — 'fried chicken', 'sponge cake', 'poached egg', 'baked custard'. 'Cake' is too general; 'chocolate sponge cake' shows you understand what's happening.

Confusing lactose (sugar) with lactase (enzyme); 'diabetes' instead of 'type 2 diabetes'

Paper 1 calcium/sugar questions 2025 · Affects: Paper 1

What examiners say

“Someone who is lactose intolerant, does not have insufficient amounts of the enzyme lactase needed to digest lactose.”
— 0648 Paper 1, May/June 2025

“Some candidates omitted 'type 2' and simply stated diabetes which did not gain credit.”
— 0648 Paper 1, May/June 2025

How to fix this

Lactose is the SUGAR in milk; lactase is the ENZYME that digests it. A lactose-intolerant person has a shortage of LACTASE. Always write 'type 2 diabetes' — 'diabetes' alone is not credited because it could mean type 1 (which sugar intake doesn't cause). Spelling matters: 'maltose' (sugar) is not 'maltase' (enzyme).

Misspelling fat names — 'monosaturated' instead of 'monounsaturated'

Paper 1 fats questions 2025 · Affects: Paper 1

What examiners say

“Common incorrect responses included monosaturated and polysaturated rather than monounsaturated and polyunsaturated.”
— 0648 Paper 1, May/June 2025

How to fix this

The 'un' in monoUNsaturated and polyUNsaturated matters — it tells you the fat has unsaturated bonds (one or many). 'Monosaturated' isn't a real term. Memorise: saturated (animal fats, solid at room temp), monounsaturated (olive oil), polyunsaturated (sunflower, oily fish — contains essential fatty acids).

Giving 'energy' as a function without saying 'releases' or 'metabolises' energy

Phosphorus and B-vitamin questions, Paper 1 2025 · Affects: Paper 1

What examiners say

“Candidates who simply gave energy as a function of phosphorus were not awarded the mark as they omitted to state that phosphorus metabolises or releases energy.”
— 0648 Paper 1, May/June 2025

How to fix this

Nutrients don't 'give energy' — they release, metabolise or help release energy from FOOD or NUTRIENTS. Write 'phosphorus helps release energy from nutrients' not 'phosphorus gives energy'. Same rule for B-vitamins, magnesium, iodine. Always specify the verb (release / metabolise / aid).

Choosing the wrong type for a specified pastry, cake method or batter

Paper 2 practical, multiple questions 2025 · Affects: Paper 2

What examiners say

“This question required a flaky pastry dish. The majority of candidates chose their pastry incorrectly, often using bought puff pastry or using shortcrust.”
— 0648 Paper 2, May/June 2025

“Some candidates did not understand that the whisking method is a specific cake making method in which eggs and sugar are whisked together before flour is folded in. They chose dishes that 'used a whisk', such as cheesecake whereby cream and cheese are whisked together, or an all-in-one cake that used an electric whisk to mix.”
— 0648 Paper 2, May/June 2025

“A high number of candidates found this question difficult, and most made a dish using a breadcrumb coating rather than a coating batter.”
— 0648 Paper 2, May/June 2025

How to fix this

Learn the syllabus pastry/cake/batter list COLD: flaky pastry (specific fat-to-flour ratio, rolled and folded), shortcrust, choux, suet. Cake methods: rubbing-in, creaming (Victoria sandwich), whisking (eggs+sugar then fold flour — Swiss roll, sponge), melting (gingerbread), all-in-one. Batters: pouring (pancake), coating (battered fish/chicken — NOT breadcrumbs). Bought pastry is usually capped at lower marks.

Vague 'store away from cooked food' answers without naming food or shelf

Paper 1 refrigerator/storage questions 2025 · Affects: Paper 1

What examiners say

“Many candidates gave vague responses often stating to store fresh food away from cooked food but not what food or in what part of the refrigerator. Temperatures of the refrigerator, when mentioned, were sometimes incorrect with freezer temperatures sometimes given.”
— 0648 Paper 1, May/June 2025

How to fix this

Be specific. Raw meat goes on the BOTTOM SHELF (so juices can't drip onto cooked food). Cooked food on a HIGHER SHELF, covered. Dairy in the middle. Salads/vegetables in the bottom drawer. Refrigerator temperature is 0–5°C (NOT freezer's −18°C). Always state WHICH food, WHICH shelf, and WHY.

Apply what you've learned

Practice identifying these mistakes in real papers. Try a recent paper and mark yourself — you'll spot these patterns immediately.

Try 2026 May-June All 0648 Papers

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What IGCSE Food and Nutrition 0648 Examiners Reward

Patterns that consistently earn high marks in IGCSE Food and Nutrition 0648, based on examiner report commentary on top-scoring answers.

Linking each point to the specific group named in the question

'Most candidates correctly stated that young children require protein for growth. Better performing candidates also gave the correct justification.' Stating a fact earns one mark; linking it to the named group (athlete, teenage girl, vegan, manual worker) earns the explanation marks.

Source: 0648 Paper 1, May/June 2025

Giving full explanation with reasoning AND example, not single-word answers

'Some candidates only gave one word responses without giving a full description.' Examiners flag explanation questions as the most under-answered. Each marking point usually needs a stated cause and a brief example or consequence.

Source: 0648 Paper 1, May/June 2025

Naming higher-skill alternative protein sources beyond beans/lentils

'Better performing candidates named quinoa, Quorn and chia.' For HBV plant proteins, soya is the standard answer; quinoa, Quorn and chia mark you out as a stronger candidate. Beans, lentils and most pulses are LBV.

Source: 0648 Paper 1, May/June 2025

Dovetailing dishes in the time-plan to fit 150 minutes efficiently

'Better performing candidates used dovetailing to demonstrate the logical and efficient use of time and allowed them to make dishes of a higher skill level within the time allowed.' Candidates with time left at the end signal low-skill choices and lose method-of-working marks.

Source: 0648 Paper 2, May/June 2025

Boosting non-haeme iron with vitamin C and named ingredients

'Teenage girls need a rich supply of iron with vitamin C to aid absorption… non-haeme iron content can be boosted with addition of green leafy vegetables, such as okra, kale or broccoli, pulses, dried fruit or cocoa.' Examiners want named ingredients tied to the nutritional rationale.

Source: 0648 Paper 2, May/June 2025

Decorating cakes and biscuits skilfully with iced/piped/dipped finishes

'Many candidates did not decorate their cakes – large or small – with neat icing, frosting or piping. This is required if candidates are to gain full marks for their cakes.' A plain bake caps your Results mark; a piped or dipped finish unlocks the top band.

Source: 0648 Paper 2, May/June 2025

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IGCSE Food and Nutrition 0648 Answer Frameworks

Structured approaches for each IGCSE Food and Nutrition 0648 question type, derived from mark scheme requirements.

Section C extended-response 'discuss' or 'evaluate' (10–15 marks)

20–25 minutes

Structure

Identify the key factors → for each factor: state the point, explain the reasoning, give a specific food/dish example → conclude with a balanced judgement

•Plan answers before writing — examiners explicitly recommend it
•Aim for 5–7 distinct points for a 10-mark question; each point needs a reason AND example
•Stay within question scope — 'meal planning' answers must NOT drift into exercise or salt content
•Cover the full range when asked (e.g. 'all vitamins', 'wheat, maize and rice')
•Reference specific groups (lacto-vegetarian, pregnant mother, young child) every time you give a food example

Identifying suitable food sources for a named nutrient or group (3–6 marks)

2–3 minutes

Structure

Read carefully — animal/plant/different category? → list ONE food per category → stop at the number requested

•Different = different categories (one dairy, one meat, one fish — NOT two cheeses)
•Soya, tofu, tempeh, soya milk all count as ONE plant source
•Strong HBV plant sources: soya, quinoa, Quorn, chia (not beans/lentils — those are LBV)
•Quote only the number requested — extras are ignored
•If specifying 'animal' or 'plant', stay strictly within that group

Practical Paper 2 time-plan (per dish)

150 minutes total — max 2 planning sheets

Structure

Preparation → cooking method + temperature + time → special points (how to test it's cooked) → dovetailing column → washing-up / serving

•Identify on the plan WHICH dishes are for parts (a) and (b) and how each meets the test requirements
•Use approved abbreviations (DT = dovetailing, W = washing, M = method, SQ = serving quality)
•Include oven temperatures and test methods (skewer, knife, golden, internal temp) in the special points column
•Dovetail — while a cake bakes, prepare the next dish; never leave dead time
•Cap planning sheets at 2; over-detailed plans are penalised

'Why is this food/method unsuitable for X?' explanation (3–5 marks)

3–4 minutes

Structure

Identify the problem nutrient/ingredient → state the condition or need of the group → link the two with the correct biology/chemistry → name the consequence

•Always name the specific compound (lactose, gluten, saturated fat, lactose intolerance, B12)
•State the enzyme/process that's missing or affected (lactase, coeliac response, atherosclerosis)
•Conclude with the symptom or health risk (bloating, diarrhoea, raised blood pressure)
•Don't stop at 'they can't eat it' — explain WHY they can't

Practice by topic

Use topical past papers to practice specific question types. Each topic collects questions from multiple years — perfect for drilling the frameworks above.

Topical Past Papers

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IGCSE Food and Nutrition 0648 Command Words Decoded

Each command word in IGCSE Food and Nutrition 0648 is a scoring instruction. Understanding what examiners expect is critical to earning full marks.

define1 mark

Give the precise meaning of a term using textbook wording.

Common mistake

Being vague — 'monosaccharide is sugar' instead of 'monosaccharide is a single/simple sugar'.

describe2–4 marks

State what something is or what happens, in order, with detail.

Common mistake

Missing key steps — e.g. omitting the sieving or the order in a method (gingerbread method).

explain2–4 marks

Give the reason WHY, supported by an example or linked consequence.

Common mistake

Stating the fact only, without the cause-and-effect — answers without 'because' or a linked example lose the explanation marks.

identify1 mark

Pick out / name the correct item from given material.

Common mistake

Naming a food group instead of the specific item asked for (e.g. 'carbohydrate' instead of 'glucose').

suggest1–2 marks

Apply your knowledge to a new scenario, even if not directly taught.

Common mistake

Giving a textbook list rather than tailoring the answer to the scenario (group, dish, or condition).

evaluate4–6 marks

Weigh up advantages AND disadvantages, then give a reasoned judgement.

Common mistake

Listing only pros (or only cons). No final judgement — examiners want a balanced verdict.

calculate1–2 marks

Work out a numerical answer (e.g. scaled mark, recipe scaling, energy from macros).

Common mistake

Rounding up scaled marks — Cambridge requires rounding DOWN. Showing no working when the final answer is wrong loses method marks.

state1 mark

Give a brief, factual answer in one or two words / one short sentence.

Common mistake

Over-writing — long paragraphs when one word is the answer often introduce errors that contradict the correct point.

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Topics Students Struggle With Most In IGCSE Food and Nutrition 0648

These IGCSE Food and Nutrition 0648 topics consistently produce the lowest scores. Prioritise these in your revision.

Dietary fibre / non-starch polysaccharide (NSP) — functions and sources

'In future, it is recommended that candidates are taught more on the topic areas of fibre… Very few candidates could state six functions indicating that functions of non-starch polysaccharide (NSP) / dietary fibre were not well known.' Many practical candidates chose vegetable-only dishes for high-fibre tests, ignoring wholemeal flour, brown rice, wholegrain pasta, pulses, nuts and seeds.

Affects: Paper 1, Paper 2

Use of the refrigerator — temperatures and shelf placement

'In future, it is recommended that candidates are taught more on the topic areas of… use of the refrigerator.' Candidates gave freezer temperatures by mistake and didn't specify which food on which shelf.

Affects: Paper 1

Food preservation principles (heat, cold, freezing, jam, chutney)

'Many responses incorrectly suggested food could be preserved by keeping it in the refrigerator… Many candidates mistakenly spent time discussing drying as a method of preservation rather than the use of heat or cold. If the use of freezing or methods such as making jam or chutney were mentioned, the technological principles and rationale behind the methods were rarely given.'

Affects: Paper 1

Small kitchen equipment design and selection criteria

'In future, it is recommended that candidates are taught more on the topic areas of… small kitchen equipment.' Candidates didn't know why a turning handle should be designed so fingers don't catch in gears, or why a whisk should be light in weight.

Affects: Paper 1

Pastry types and specific cake-making methods

Flaky pastry confused with puff or shortcrust; whisking method confused with 'using a whisk'; coating batter confused with breadcrumbs and pouring batter. Cake-making method recipes (creaming vs all-in-one) used inconsistently between recipe sheet and time-plan.

Affects: Paper 2

Vitamin B12 functions and sources for vegans

'Few candidates were able to achieve more than one mark and there seemed to be a lack of knowledge regarding the functions of vitamin B12.' Vegan-related questions need: B12 sources are mostly animal foods, vegans need fortified cereals/yeast extract/B12 supplements.

Affects: Paper 1

Specialist enzymes — erepsin, lactase, salivary vs pancreatic amylase

'It was not well known by many candidates that the enzyme found in the ileum that converts peptones to amino acids is erepsin.' Spellings 'maltose' for 'maltase' lost marks.

Affects: Paper 1

Iodide (iodine) deficiency and the link between sodium/potassium and hypertension

'Many responses gave deficiency diseases that were unrelated to iodide deficiency.' For sodium/potassium: 'Few candidates were able to give a correct explanation as to why this leads to hypertension.' Iodide deficiency → goitre / hypothyroidism.

Affects: Paper 1

Target your weak areas

The topics above are where most marks are lost. Use past papers and mark schemes to practice these specific areas until they become second nature.

Past Papers & Mark Schemes Topical Papers

Frequently Asked Questions

How is Cambridge IGCSE Food & Nutrition 0648 assessed?

Two components. Paper 1 is a 2-hour theory paper (100 marks) split into Section A short answers, Section B structured questions and Section C extended-response choice. Paper 2 is the practical (100 marks) — a 150-minute cookery test plus a planning session, with submitted Choices and Recipe sheet, Time-plan and one photo of all final dishes.

How long should the time-plan be in Paper 2 and what must it include?

The time-plan should fill the full 150 minutes — no less, no more — and use a maximum of two planning sheets. Examiners adjust marks down for over-detailed plans. The plan must show preparation, cooking method, oven temperature, cooking times, dovetailing, special points (how each dish is tested for being cooked) and serving order.

What photos and paperwork must my centre submit for moderation?

One clear, hard-copy photograph of all the candidate's final dishes — not on a CD, not obscured by table decorations, no candidates in the picture, with each dish labelled. Paper-clipped together with the front mark sheet, the candidate's time-plan and the Practical Examiner's Report and checklist (from the Confidential Instructions document). Centres must use the most recent forms each session.

How are scaled marks rounded in Paper 2?

Cambridge requires scaled marks to be rounded DOWN, never up. Half marks must not be awarded. The interactive working mark sheets on the Cambridge website total and scale automatically — many centres are still mistakenly rounding up, which is corrected during moderation.

Put It All Into Practice

You now know exactly what examiners reward and penalise. The next step is deliberate practice with real papers. We have 45 exam sessions available for IGCSE Food and Nutrition 0648 — question papers, mark schemes, and examiner reports.

View All Past Papers Latest Session: 2026 May-June Topical Past Papers