WorksheetsKO Micronutrients
Total questions: 30
Worksheet time: 15mins
What are micronutrients best described as in human nutrition?
Nutrients that supply most dietary energy every day
Excess substances stored in fat for long periods
Nutrients needed in tiny amounts for body processes
Large molecules that form muscles and body tissues
Which list correctly groups the two main categories of micronutrients?
Fats and oils including essential fatty acids
Water and fiber including insoluble fractions
Carbohydrates and proteins including amino acids
Vitamins and minerals including trace elements
Which statement about measuring micronutrients is correct?
They are measured in calories and kilojoules
They are measured only in grams per serving
They are measured by body mass index score
They are measured in milligrams and micrograms
What does Reference Nutrient Intake (RNI) represent?
The maximum safe amount before adverse effects occur
The minimum amount that avoids immediate deficiency
An average amount that half of people usually consume
An amount that meets nearly all healthy people’s needs
Lower Reference Nutrient Intake (LRNI) is best defined as which of the following?
An amount adequate for nearly everyone’s needs
An amount recommended for athletes and children
An amount used to set maximum tolerable limits
An amount sufficient for only a small proportion
Which is a correct classification of vitamins by solubility?
Fat‑soluble: A, C; Water‑soluble: D, E
Fat‑soluble: A, D, E, K; Water‑soluble: B, C
Fat‑soluble: B, C; Water‑soluble: A, D
Fat‑soluble: K only; Water‑soluble: A, B, C
Which statement best describes fat-soluble vitamins?
Provide energy when broken down
Made by the body in large amounts
Dissolve in water and excreted quickly
Stored in body fats and absorbed with lipids
Which vitamin group is primarily classified as water-soluble?
Vitamins E and K only
Vitamins A and D only
B vitamins and vitamin C
Vitamins A and C only
A main function of vitamin A is to support which body process?
Immune function and vision
Calcium absorption only
Blood clotting and healing
Energy release from fats
Which is a typical dietary source of vitamin A mentioned in nutrition guides?
Liver, eggs, dark green vegetables
White rice, refined bread, sugar
Mineral water, salt, tea
Red meat, butter, hard cheese
B vitamins as a group are best known for which role?
Multiple functions including energy metabolism
Only building strong bones and teeth
Only forming blood clots in wounds
Only protecting cells from free radicals
Vitamin C primarily helps the body by:
Protecting cells and forming collagen
Regulating water balance in cells
Producing thyroid hormones directly
Absorbing calcium from the gut
Common sources richest in vitamin C include:
Citrus fruits, peppers, tomatoes
Red meat, fish, poultry
Whole grains, brown rice
Cheese, butter, cream
Which statement about vitamin D is most accurate for human health?
Mainly supports water balance in cells
Supports calcium absorption and bone strength
Only helps with blood clotting in wounds
Primarily used for collagen synthesis
Besides food, how can humans obtain vitamin D?
Fermentation in the gut by fiber
Conversion of vitamin C in the liver
Inhalation from fresh outdoor air
Synthesis in skin with sunlight
Vitamin E is noted for which protective function?
Protecting cell membranes from oxidative damage
Triggering insulin release after meals
Forming red blood cells from iron directly
Strengthening enamel on growing teeth
What is the primary role of vitamin K in the body?
Normal blood clotting and bone health
Improving night vision and skin tone
Increasing metabolic rate for energy
Balancing body water and sodium
Which pairing correctly matches vitamin classification with example?
Water-soluble: D and E only
Fat-soluble: vitamins A, D, E, K
Fat-soluble: B vitamins and C
Water-soluble: vitamins A and K
Which mineral primarily helps to build and maintain strong bones and teeth?
Iron
Calcium
Sodium
Iodine
Which food is a common source of iron for the body?
Citrus fruits and berries
Green tea and water
Offal and red meat
Olive oil and rapeseed
What is the main function of phosphorus in the body?
Protects tooth enamel
Builds strong bones and teeth
Helps make thyroid hormones
Maintains water balance
Which mineral is most directly responsible for maintaining the water content of the body and the balance of fluids?
Calcium
Fluoride
Phosphorus
Potassium
A key role of iodine in human health is to:
Help make thyroid hormones
Carry oxygen in the blood
Strengthen tooth enamel
Form collagen in tissues
Which pair correctly matches a mineral with one of its typical dietary sources?
Iron – herbal teas and cocoa
Sodium – fresh fruit and pulses
Potassium – white sugar and oils
Fluoride – tap water and tea
Which mineral is added to some mouthwashes and toothpastes because it helps protect teeth?
Iron
Iodine
Sodium
Fluoride
Which statement best explains the difference between required amounts and trace elements for minerals?
All minerals are required in equal amounts for all people
Required minerals are only needed during growth and pregnancy
Some minerals are needed in larger amounts, others in very small amounts
Trace elements provide energy while required ones do not
Select the best source for calcium from the options below.
Dairy and fortified dairy alternatives
Lean oils and soft margarines
Tap water and herbal tea
Citrus fruit and leafy greens
Which mineral is closely linked to controlling blood pressure through fluid balance in cells?
Potassium
Calcium
Fluoride
Iodine
Which task best applies knowledge by visually summarizing micronutrient roles, sources, and daily needs?
List three favorite meals from memory
Memorize vitamin and mineral names
Write a paragraph about healthy eating
Design an infographic on micronutrients
You keep a four‑day food diary and calculate micronutrient intakes. What is the most useful next step to improve your diet based on the diary?
Compare intakes to recommended amounts
Ignore low days and continue eating
Choose foods by color not nutrients
Only count energy without micronutrients
