Identification
Identify one food rich in Vitamin C and one food rich in Vitamin K.
• Vitamin C → oranges (or guava, kiwi).
• Vitamin K → spinach (or kale, broccoli).
4. State the difference between water-soluble and fat-soluble vitamins.
• Water-soluble vitamins dissolve in water, are not stored, and excess is lost in urine.
• Fat-soluble vitamins dissolve in fat, are absorbed with fats, and stored in fat tissues/liver.
State the daily Vitamin C requirement for adult men.
about 90mg.
10. Explain why children need smaller amounts of vitamins and minerals compared to adults.
• Children’s bodies are smaller and need less nutrients for growth compared to fully grown adults.
2. State whether fluoride is a vitamin or a mineral.
• Fluoride is a mineral.
5. Give one reason why Vitamin C must be consumed every day.
• It cannot be stored in the body, so daily intake is needed to prevent deficiency.
8. How much Vitamin K is recommended for adult women?
• About 90 mcg.
14. Explain how Vitamin C helps prevent anemia.
• It changes non-heme iron into a form that the body can absorb, preventing iron deficiency anemia.
Explain why Vitamin C is classified as essential in the human diet.
• The human body cannot make Vitamin C, so it must come from food.
6. Explain why Vitamin K is better absorbed when eaten with fatty foods.
• Vitamin K is fat-soluble, so it dissolves in fats and is absorbed more efficiently when fat is present.
A teenager requires 3 mg of fluoride daily. State one food or drink that could help meet this requirement.
• Tea (or fluoridated water, or fish eaten with bones like sardines).
11. State two functions of Vitamin C in the body.
• Helps heal wounds.
• Aids iron absorption.
(Other acceptable: collagen formation, antioxidant protection, supports immune system).