Q11. Kiwi fruit is a rich source of which vitamin?
a) Vitamin A
b) Vitamin B6
c) Vitamin C
d) Vitamin D
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Correct Answer: c) Vitamin C
Explanation: Kiwi fruit is a rich source of Vitamin C, containing higher levels of this vitamin than some citrus fruits. Vitamin C is essential for many body functions, including immunity and skin health.
Q12. How is Vitamin C involved in the healing of wounds?
a) It narrows blood vessels
b) It is a natural painkiller
c) It helps in the formation of scar tissue
d) It increases blood clotting
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Q12. How is Vitamin C involved in the healing of wounds?
a) It narrows blood vessels
b) It is a natural painkiller
c) It helps in the formation of scar tissue
d) It increases blood clotting
Q13. Vitamin D is also known as:
a) Calciferol
b) Riboflavin
c) Ascorbic acid
d) Thiamine
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Correct Answer: a) Calciferol
Explanation: Vitamin D is commonly referred to as Calciferol. It plays a crucial role in the absorption of calcium and phosphorus, maintaining healthy bones and teeth, and supports the immune system.
Q14. Vitamin D deficiency can lead to:
a) Scurvy
b) Pellagra
c) Rickets in children
d) Night blindness
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Correct Answer: c) Rickets in children
Explanation: A deficiency in Vitamin D can lead to rickets in children, a disease characterized by weakened and deformed bones. In adults, it can cause osteomalacia and osteoporosis.
Q15. Which of the following vitamins is not water-soluble?
a) Vitamin C
b) Vitamin B12
c) Vitamin D
d) Vitamin B6
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Correct Answer: c) Vitamin D
Explanation: Vitamin D is not water-soluble; it is a fat-soluble vitamin. Unlike water-soluble vitamins, fat-soluble vitamins are stored in the body’s fatty tissues and liver.
Q16. Osteoporosis, a condition of fragile bones, can result from a long-term deficiency of:
a) Vitamin B12
b) Vitamin C
c) Vitamin D
d) Vitamin E
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Correct Answer: c) Vitamin D
Explanation: Long-term deficiency of Vitamin D can lead to osteoporosis, where bones become brittle and fragile from loss of tissue. This is often due to hormonal changes, or deficiency of calcium or Vitamin D.
Q17. Which group of people is at a higher risk for Vitamin D deficiency?
a) People living in tropical regions
b) Outdoor workers
c) Older adults
d) Children
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Correct Answer: c) Older adults
Explanation: Older adults are at a higher risk for Vitamin D deficiency, primarily due to reduced skin synthesis and potential dietary inadequacies. Limited exposure to sunlight also contributes to this risk.
Q18. Which skin condition can benefit from the topical application of Vitamin D?
a) Acne
b) Eczema
c) Psoriasis
d) Rosacea
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Correct Answer: c) Psoriasis
Explanation: Topical application of Vitamin D can benefit individuals with psoriasis, a skin condition characterized by red, itchy scaly patches. Vitamin D analogues are often used in treatment.
Q19. Which nutrient is necessary for the absorption of Vitamin D in the body?
a) Magnesium
b) Iron
c) Vitamin C
d) Dietary fats
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Correct Answer: d) Dietary fats
Explanation: Dietary fats are necessary for the absorption of Vitamin D, as it is a fat-soluble vitamin. Adequate fat intake helps ensure efficient absorption of this vitamin.
Q20. Which of the following is a good dietary source of Vitamin E?
a) Dairy products
b) Citrus fruits
c) Nuts and seeds
d) Red meat
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Correct Answer: c) Nuts and seeds
Explanation: Nuts and seeds are excellent sources of Vitamin E. Almonds, sunflower seeds, and hazelnuts, among others, contain high levels of this vitamin.