BIOLOGY
VITAMINS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A
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D
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E
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K
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Detailed explanation-1: -Exposure to ultraviolet light is necessary for the body to produce the active form of vitamin D. Ten to fifteen minutes of sunlight without sunscreen on the hands, arms and face, twice a week is sufficient to receive enough vitamin D.
Detailed explanation-2: -Vitamin D3 is formed when the body is exposed to sunlight. This occurs mainly through the exposure of the skin to the sun’s ultraviolet A (UVA) and ultraviolet B (UVB) rays. Vitamin D3 can also be obtained by consuming animal products.
Detailed explanation-3: -The sun is our best natural source of vitamin D. Spending even a short time in the sun can provide the body with all of the vitamin D it needs for the day. According to the Vitamin D Council, this could be: 15 minutes for a person with light skin.
Detailed explanation-4: -Vitamins A, D, E, and K are called the fat-soluble vitamins, because they are soluble in organic solvents and are absorbed and transported in a manner similar to that of fats.