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

A. 100 IU (International Units)

B. 400 IU

C. 1200 IU

D. 800 IU

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

A. Boosts vitamin C metabolism

B. Promotes calcium absorption

C. Regulates sodium levels

D. Enhances iron absorption

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

A. Vision problems

B. Hair loss

C. Muscle weakness

D. Excessive thirst

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

A. Summer

B. Fall

C. Spring

D. Winter

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5. Can excessive intake of vitamin D be harmful?

A. Only in children

B. Excess vitamin D is excreted by the body

C. No, there is no risk of excessive intake

D. Yes, it can lead to vitamin D toxicity

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

A. False

B. True

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7. Vitamin D is also known as calciferol

A. True

B. False

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

A. Through photosynthesis in the skin

B. Activation in the liver

C. Absorption through the eyes

D. Consumption of UV-enriched foods

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

A. Adolescents

B. Children

C. Adults over 65

D. All age groups are equally at risk

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10. Exposure to sun does not provide vitamin D

A. True

B. False

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

A. Athletes

B. Pregnant women

C. Vegetarians

D. Coffee drinkers

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12. Low levels of calcium is hypocalcemia.

A. False

B. True

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13. What is the primary source of vitamin D?

A. Dairy Products

B. Sunlight

C. Citrus fruits

D. Leafy green vegetables

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

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

B. Fortified cereals

C. Egg yolks

D. Spinach

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The average score is 76%

Vitamin-D Quiz