Vitamin D: The Sunshine Vitamin
Test your knowledge about Vitamin D, its sources, and its importance for human health.
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Quiz Questions & Answers
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Question 1: What is the primary natural source of Vitamin D for humans?
Dairy products
Sunlight
Green vegetables
Red meat
Question 2: Which time of day is best for Vitamin D production through sunlight?
Early morning (6-8 AM)
Late evening (5-7 PM)
Midday (10 AM-3 PM)
Night time
Question 3: Which skin condition can result from severe Vitamin D deficiency in children?
Eczema
Rickets
Psoriasis
Acne
Question 4: How does melanin in skin affect Vitamin D production?
It increases production
It has no effect
It slows down production
It reverses production
Question 5: Which factor does NOT affect Vitamin D production from sunlight?
Cloud cover
Latitude
Wind direction
Season
Question 6: What percentage of Vitamin D can the body typically get from food alone?
80-90%
10-20%
50-60%
30-40%
Question 7: Which organ must Vitamin D pass through to become active in the body?
Heart
Liver
Spleen
Stomach
Question 8: What happens when you get Vitamin D through a window?
Production increases
No Vitamin D is produced
Production is doubled
Production is halved