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1. What is the role of vitamin D in bone health?

A. Promotes calcium absorption

B. Enhances iron absorption

C. Regulates sodium levels

D. Boosts vitamin C metabolism

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2. In which season is it generally easier for the body to produce vitamin D from sunlight?

A. Fall

B. Winter

C. Spring

D. Summer

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3. What is the recommended daily intake of vitamin D for adults?

A. 100 IU (International Units)

B. 1200 IU

C. 800 IU

D. 400 IU

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4. Exposure to sun does not provide vitamin D

A. True

B. False

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5. Vitamin D promotes the absorption of calcium in the body.

A. True

B. False

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6. Which of the following is a symptom of vitamin D deficiency?

A. Muscle weakness

B. Hair loss

C. Vision problems

D. Excessive thirst

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7. Low levels of calcium is hypocalcemia.

A. False

B. True

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8. What is the primary source of vitamin D?

A. Citrus fruits

B. Dairy Products

C. Sunlight

D. Leafy green vegetables

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9. Can excessive intake of vitamin D be harmful?

A. Yes, it can lead to vitamin D toxicity

B. No, there is no risk of excessive intake

C. Excess vitamin D is excreted by the body

D. Only in children

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10. Which food is not a good source of dietary vitamin D?

A. Spinach

B. Egg yolks

C. Fatty fish (e.g., salmon)

D. Fortified cereals

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11. How does the body produce vitamin D when exposed to sunlight?

A. Through photosynthesis in the skin

B. Activation in the liver

C. Consumption of UV-enriched foods

D. Absorption through the eyes

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12. Which population group is commonly advised to take vitamin D supplements?

A. Vegetarians

B. Pregnant women

C. Athletes

D. Coffee drinkers

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13. Vitamin D is also known as calciferol

A. False

B. True

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14. Which age group is most at risk of vitamin D deficiency?

A. Adolescents

B. Adults over 65

C. All age groups are equally at risk

D. Children

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The average score is 76%

Vitamin-D Quiz