Difficulty: Mixed
What is dietary fibre primarily found in?
A Meat and fish
B Plant foods
C Cooking oils
D Table salt
Answer: B. Plant foods Dietary fibre occurs naturally in plant foods such as fruit, vegetables, pulses, and grains.
Which nutrient family includes dietary fibre?
A Proteins
B Minerals
C Fats
D Carbohydrates
Answer: D. Carbohydrates Fibre is a type of carbohydrate that the body does not fully digest.
What does soluble fibre do during digestion?
A Can form a gel
B Turns into protein
C Becomes table sugar
D Stops water absorption
Answer: A. Can form a gel Some soluble fibres absorb water and form a gel-like material.
Which food is a common source of soluble fibre?
A Butter
B Chicken
C Oats
D White sugar
Answer: C. Oats Oats contain soluble fibre, including beta-glucan.
Where is insoluble fibre commonly found?
A Wheat bran and vegetables
B Cooking oil
C Fruit syrup
D Soft drinks
Answer: A. Wheat bran and vegetables Wheat bran and many vegetables are sources of insoluble fibre.
How can insoluble fibre support bowel function?
A Removes all water
B Stops gut movement
C Adds bulk to stool
D Creates dietary fat
Answer: C. Adds bulk to stool Insoluble fibre adds bulk and can help food move through the digestive tract.
Which choice adds fibre to a meal?
A Fruit cordial
B Ghee
C Hard candy
D Lentils
Answer: D. Lentils Lentils are pulses and provide dietary fibre.
What is one effect of fibre on fullness?
A It removes all calories
B May help meals feel filling
C It replaces protein
D It stops appetite permanently
Answer: B. May help meals feel filling Fibre can add bulk and may help people feel full.
Why is a whole apple generally higher in fibre than apple juice?
A It contains no water
B Juice has no sugar
C It retains more plant tissue
D Apples contain no fibre
Answer: C. It retains more plant tissue Juicing removes much of the fruit’s pulp and fibre.
Which grain choice usually provides more fibre?
A Whole-grain bread
B White sugar
C Fruit juice
D Plain oil
Answer: A. Whole-grain bread Whole-grain bread retains more of the grain layers than refined bread.
What usually happens to fibre when grain is refined?
A All sugar is removed
B Some bran is removed
C Protein becomes fat
D Water turns to starch
Answer: B. Some bran is removed Refining removes bran and germ, reducing some fibre.
When increasing fibre, what approach may reduce discomfort?
A Double intake overnight
B Avoid all fluids
C Remove vegetables first
D Increase it gradually
Answer: D. Increase it gradually A gradual increase gives the digestive system time to adjust.
Why is adequate fluid often discussed with fibre intake?
A Water creates protein
B Fluids remove all fibre
C Fibre stops thirst
D Fibre absorbs water
Answer: D. Fibre absorbs water Some fibres absorb water, so fluid needs matter when fibre intake rises.
What may happen when fibre is increased very quickly?
A All digestion stops
B Gas or bloating may occur
C Blood contains no glucose
D Calories become negative
Answer: B. Gas or bloating may occur Rapid changes in fibre intake can cause temporary gas or bloating.
Which statement about soluble fibre is accurate?
A All types are identical
B It is a dietary fat
C Some types form a gel
D It has no food sources
Answer: C. Some types form a gel Soluble fibres differ, and some form a gel when mixed with water.
Which food pair commonly supplies insoluble fibre?
A Vegetables and whole grains
B Butter and cream
C Oil and sugar
D Fruit syrup and soda
Answer: A. Vegetables and whole grains Vegetables and whole grains often provide insoluble fibre.
What is a practical way to eat more fibre?
A Add beans to meals
B Choose only refined grains
C Drink sweetened soda
D Remove fruit skins always
Answer: A. Add beans to meals Adding beans or other pulses is a practical way to increase fibre.
Which choice provides fibre and protein together?
A Fruit juice
B Cooking oil
C Refined sugar
D Chickpeas
Answer: D. Chickpeas Chickpeas provide plant protein as well as fibre.
What are gut microbes able to do with some fibres?
A Turn them into minerals
B Ferment them
C Remove all nutrients
D Make them into fat instantly
Answer: B. Ferment them Some fibres are fermented by gut microbes in the colon.
What can fermentation of fibre produce?
A Vitamin D crystals
B Essential amino acids
C Short-chain fatty acids
D Table sugar only
Answer: C. Short-chain fatty acids Fermentation of some fibres produces short-chain fatty acids and other compounds.
Which term describes a fibre that supports beneficial gut microbes?
A Saturated fat
B Simple sugar
C Prebiotic fibre
D Animal protein
Answer: C. Prebiotic fibre Some prebiotic fibres are used by beneficial gut microbes.
What is resistant starch?
A A type of protein
B Starch that resists small-intestine digestion
C An essential mineral
D A cooking oil
Answer: B. Starch that resists small-intestine digestion Resistant starch resists digestion in the small intestine and can be fermented later.
Which food may contain more resistant starch after cooling?
A Cooked and cooled rice
B Fresh fruit syrup
C Warm oil
D Plain butter
Answer: A. Cooked and cooled rice Cooling cooked rice can increase resistant starch in some cases.
Can fibre content vary between similar foods?
A No, all foods match
B Only color changes
C Fibre is always zero
D Yes, processing and portions differ
Answer: D. Yes, processing and portions differ Food type, processing, and serving size affect fibre amounts.
What label detail helps compare fibre in packaged foods?
A Package color
B Fibre per serving
C Brand slogan
D Shelf location
Answer: B. Fibre per serving Compare fibre amounts using the serving size shown on each label.
Why check serving size when comparing fibre labels?
A Values depend on portion
B It shows food freshness
C It lists every ingredient
D It measures package weight
Answer: A. Values depend on portion Nutrition information is tied to the stated serving amount.
Which food is a common fibre-rich fruit choice?
A Fruit-flavoured soda
B Clear juice
C Sugar syrup
D Pear with skin
Answer: D. Pear with skin The edible skin and flesh of a pear contain fibre.
How can fruit and vegetable skins affect fibre?
A They remove all nutrients
B They contain only protein
C They often add fibre
D They stop digestion
Answer: C. They often add fibre Edible skins can contribute fibre, though washing and food safety matter.
What is one useful source of fibre in breakfast?
A Butter tea
B Fruit soda
C White sugar
D Oatmeal
Answer: D. Oatmeal Oatmeal supplies soluble fibre and other nutrients.
Which choice is a whole-grain source of fibre?
A Refined rice syrup
B Table sugar
C Brown rice
D Fruit drink
Answer: C. Brown rice Brown rice retains more of the grain layers than refined white rice.
Does dietary fibre provide all the nutrients a person needs?
A No, varied foods matter
B Yes, fibre is complete
C Yes, it replaces protein
D No, plants have none
Answer: A. No, varied foods matter Fibre is one part of a balanced diet, not a substitute for other nutrients.
Why can beans cause gas for some people?
A Beans contain no fibre
B Gut microbes ferment some fibres
C Protein blocks digestion
D Water turns to gas
Answer: B. Gut microbes ferment some fibres Fermentation of certain carbohydrates in beans can produce gas.
How may someone reduce discomfort while adding beans?
A Eat a large amount suddenly
B Start with smaller portions
C Avoid drinking water
D Remove every grain
Answer: B. Start with smaller portions Smaller portions and gradual increases may improve tolerance.
Which statement about fibre supplements is safest?
A They replace all foods
B More is always better
C They contain no active ingredients
D They do not suit everyone
Answer: D. They do not suit everyone Supplements can interact with medicines or health conditions, so check with a professional.
What should someone do before starting a fibre supplement?
A Take several products together
B Stop prescribed medicine
C Review it with a clinician
D Ignore label directions
Answer: C. Review it with a clinician A clinician or pharmacist can review the product and timing with medicines.
Can fibre-rich foods replace prescribed treatment for bowel disease?
A No, follow medical advice
B Yes, in every case
C Only fruit juice can
D Stop all other care
Answer: A. No, follow medical advice Some conditions require individualized care; food changes do not replace treatment.
Why might a clinician recommend a temporary low-fibre diet?
A Condition may require it
B Fibre is always harmful
C All adults need it
D It guarantees weight loss
Answer: A. Condition may require it Some conditions or procedures may require temporary dietary changes under clinical guidance.
What is one reason fibre may support heart health?
A All fibre removes cholesterol
B Some soluble types affect cholesterol
C Fibre contains no energy
D It replaces medication
Answer: B. Some soluble types affect cholesterol Some soluble fibres can help reduce cholesterol absorption as part of a healthy diet.
How can fibre affect absorption of some carbohydrates?
A It converts sugar to protein
B It stops all absorption
C It removes glucose from blood
D It may slow absorption
Answer: D. It may slow absorption Fibre can slow digestion and absorption, but effects vary by food and fibre type.
Which fibre source is especially rich in beta-glucan?
A Butter
B Chicken
C Oats
D Fruit juice
Answer: C. Oats Oats are a dietary source of beta-glucan, a soluble fibre.
What is a good way to maintain fibre variety?
A Eat only one cereal
B Avoid legumes
C Choose different plant foods
D Use only supplements
Answer: C. Choose different plant foods Different plant foods supply different fibre types and nutrients.
Why is fibre useful in weight management plans?
A It can add fullness
B It removes all fat
C It guarantees weight loss
D It changes calories to zero
Answer: A. It can add fullness Fibre-rich foods can support fullness but do not guarantee weight loss.
Which statement about fibre and calories is most accurate?
A Fibre always has zero energy
B Fibre is not fully digested
C All fibre supplies nine kcal
D Labels never count fibre
Answer: B. Fibre is not fully digested Fibre is not fully digested, and energy contribution depends on fibre type and rules.
Who should seek advice before making a large fibre change?
A Every person equally
B Only people eating fruit
C Anyone reading labels
D Someone with digestive disease
Answer: D. Someone with digestive disease Digestive conditions can change which fibre amount or type is appropriate.
What does a fibre-rich eating pattern commonly include?
A Only refined breads
B Only animal foods
C Sweet drinks and syrup
D Pulses, produce, and whole grains
Answer: D. Pulses, produce, and whole grains Pulses, vegetables, fruit, and whole grains are common fibre sources.
Which statement about fibre and hydration is best?
A Everyone needs the same amount
B Avoid water with meals
C Follow individual fluid guidance
D Fibre replaces fluids
Answer: C. Follow individual fluid guidance Fluid needs vary, especially with medical conditions or fluid restrictions.
What is a sensible sign that fibre changes are too rapid?
A Improved food variety
B Persistent discomfort
C Reading a label
D Adding vegetables slowly
Answer: B. Persistent discomfort Persistent or severe symptoms warrant slowing the change and seeking professional guidance.
Why do dietary fibre targets vary?
A Age and energy needs differ
B All bodies need identical amounts
C Labels decide body needs
D Fibre is optional for everyone
Answer: A. Age and energy needs differ Recommended intake varies by age, energy needs, and national guidance.
Which action may preserve fibre when choosing produce?
A Peel every fruit
B Eat edible skins after washing
C Juice all vegetables
D Remove all seeds
Answer: B. Eat edible skins after washing Edible skins can add fibre when they are safe and suitable to eat.
What best describes dietary fibre?
A Plant carbohydrate with digestive effects
B A type of animal fat
C A vitamin found in oils
D A mineral dissolved in water
Answer: A. Plant carbohydrate with digestive effects Fibre is plant-derived carbohydrate with varied effects on digestion and fullness.