🧠 Tricky Interesting Vitamin D Quiz

🟢 Multiple Choice (MCQ)

1. What is the nickname for Vitamin D due to its source?
   a) Sunshine nutrient
   b) Light vitamin
   c) Sunbeam compound
   d) Daylight vitamin
2. Despite abundant sunlight, up to what percentage of Indians are still Vitamin D deficient?
   a) 60%
   b) 70%
   c) 90%
   d) 99%
3. Which of the following nutrients is essential for Vitamin D metabolism?
   a) Zinc
   b) Iron
   c) Magnesium
   d) Iodine
4. What kind of vitamin is Vitamin D?
   a) Water-soluble
   b) Protein-soluble
   c) Carbohydrate-soluble
   d) Fat-soluble
5. What effect does magnesium deficiency have on Vitamin D?
   a) Enhances its activity
   b) Blocks its production
   c) Makes its absorption ineffective
   d) Doubles its potency
6. Which of the following is NOT a good food source of Vitamin D?
   a) Salmon
   b) Full-fat milk
   c) Oranges
   d) Fortified cereals
7. Which of the following statements is TRUE about Vitamin D mega-dosing?
   a) It’s always the best option
   b) It can replace daily intake
   c) It should only be prescribed by a doctor
   d) It helps with instant energy boost
8. Why should Vitamin D supplements be taken with food?
   a) To enhance taste
   b) To avoid dizziness
   c) Because it’s fat-soluble
   d) To prevent bloating
9. Which meal is best for taking a Vitamin D supplement?
   a) Breakfast
   b) Largest meal of the day
   c) Light evening snack
   d) Morning coffee
10. What is the function of Vitamin K in relation to Vitamin D?
    a) Blocks absorption
    b) Helps in storing Vitamin D
    c) Works in synergy for bone health
    d) Acts as a substitute when D is low

🟡 True or False (T/F)

11. Vitamin D deficiency has been linked to depression and cancer.
12. Sunscreen completely prevents Vitamin D absorption.
13. Vitamin D is best absorbed in the early evening sun.
14. Vitamin K helps Vitamin D bind to red blood cells.
15. Mega doses of Vitamin D are suitable for everyone.

🔵 Fill in the Blanks

16. Magnesium helps in the __________ of Vitamin D.
17. Foods like salmon, rainbow trout, and fortified cereal are high in __________.
18. Vitamin D is best absorbed when consumed with __________.
19. Taking Vitamin D with your __________ meal may improve its effectiveness.
20. Early __________ exposure can naturally boost Vitamin D levels.

🟣 Match the Following

21. Match the nutrient with its function:

Answer:
a – iii
b – ii
c – i

🔺 Odd One Out

22. Pick the one that is NOT fat-soluble:
    a) Vitamin D
    b) Vitamin C
    c) Vitamin K
    d) Vitamin A

🟤 Statement-Based Reasoning

23. Statement 1: Taking Vitamin D with healthy fats helps absorption.
    Statement 2: Vitamin D dissolves in lipids.
    Choose:
    a) Both statements are true, and Statement 2 explains Statement 1
    b) Both are true but not related
    c) Only Statement 1 is true
    d) Only Statement 2 is true

🔶 Scenario-Based Question

24. Ravi lives in a sunny area but has a Vitamin D deficiency. He rarely goes out in the morning and doesn’t consume much dairy or fish. What is the MOST LIKELY cause of his deficiency?
    a) He’s genetically allergic to sunlight
    b) He drinks too much water
    c) Lack of sun exposure and diet low in Vitamin D
    d) He exercises too much

🔷 Critical Thinking

25. Why might Vitamin D deficiency be prevalent even in tropical countries like India where sunlight is abundant?
    a) People wear sunscreen
    b) Poor diet and indoor lifestyle
    c) Pollution reduces sunlight effectiveness
    d) All of the above

🧠 Answer Key: Vitamin D Quiz

🟢 Multiple Choice (MCQ)

1. d) Sunshine vitamin
2. d) 99%
3. c) Magnesium
4. d) Fat-soluble
5. c) Makes its absorption ineffective
6. c) Oranges
7. c) It should only be prescribed by a doctor
8. c) Because it’s fat-soluble
9. b) Largest meal of the day
10. c) Works in synergy for bone health

🟡 True or False (T/F)

11. ✅ True
12. ❌ False (Sunscreen reduces but doesn’t completely prevent Vitamin D absorption)
13. ❌ False (Morning sun exposure is better, not evening)
14. ❌ False (Vitamin K helps calcium bind to bone, not red blood cells)
15. ❌ False (Mega doses are only for severe cases and need medical supervision)

🔵 Fill in the Blanks

16. Activation / metabolism
17. Vitamin D
18. Healthy fats
19. Largest
20. Morning sunlight

🟣 Match the Following

a – iii (Magnesium → Activates Vitamin D)
b – ii (Vitamin D → Absorbs calcium in intestines)
c – i (Vitamin K → Promotes calcium binding to bones)

🔺 Odd One Out

22. b) Vitamin C (It is water-soluble, others are fat-soluble)

🟤 Statement-Based Reasoning

23. a) Both statements are true, and Statement 2 explains Statement 1

🔶 Scenario-Based Question

24. c) Lack of sun exposure and diet low in Vitamin D

🔷 Critical Thinking

25. d) All of the above