(a) Name two sources of vitamin C. [2] (b) State the functions of vitamin C in the body. [3] (c) Explain what happens to the body when there is not enough v...
Question 1 Report
(a) Name two sources of vitamin C. [2]
(b) State the functions of vitamin C in the body. [3]
(c) Explain what happens to the body when there is not enough vitamin C in the diet. [4]
(d) Discuss the importance of vitamins in maintaining good health and preventing disease. [6]
Answer Details
(a) Two sources of vitamin C [2]:
- Citrus fruits such as oranges or lemons (1)
- Green vegetables such as broccoli or peppers (1)
(b) Functions of vitamin C in the body [3]:
- Helps the body absorb iron from food (1)
- Needed for the formation of connective tissue and collagen (1)
- Helps heal wounds and maintain healthy skin (1)
(c) Effects of vitamin C deficiency [4]:
- The deficiency disease is called scurvy (1)
- Symptoms include bleeding gums and loose teeth (1)
- Wounds heal slowly because collagen cannot be formed properly (1)
- The immune system is weakened, making the body more likely to get infections (1)
(d) Importance of vitamins [6]:
Level 2 (4-6): Clear discussion with specific examples of vitamins and their roles.
Level 1 (1-3): Basic points about vitamins.
Indicative content:
- Vitamins are needed in small amounts but are essential for body functions.
- Different vitamins have different roles (e.g. vitamin A for vision, vitamin D for calcium absorption).
- A lack of vitamins leads to deficiency diseases.
- A balanced diet with a variety of foods provides all the vitamins needed.
- Some groups need more of certain vitamins (e.g. pregnant women need folic acid).
Download The App On Google Playstore
Everything you need to excel in your exams
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning