Q. The Vitamin responsible for anti-sterile activity is UPSC Prelims/1979)

Q. The Vitamin responsible for anti-sterile activity is
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D

✅ Correct Answer: (a) Vitamin A

Explanation
Vitamin A is known as the anti-sterility vitamin because it plays an important role in maintaining reproductive health and fertility.
Deficiency of Vitamin A can lead to reproductive problems and impaired growth.

Functions of Vitamin A
• Maintains healthy vision and prevents night blindness
• Supports reproductive health (anti-sterility function)
• Maintains healthy skin and epithelial tissues
• Strengthens the immune system

Sources of Vitamin A
• Carrots
• Green leafy vegetables
• Milk and dairy products
• Eggs
• Fish liver oil

Deficiency Diseases
• Night blindness
• Xerophthalmia (dryness of eyes)
• Reduced immunity

Important Vitamins for Exams
Vitamin A → Vision and epithelial tissue health
Vitamin B complex → Energy metabolism and nervous system
Vitamin C → Immunity and wound healing (prevents scurvy)
Vitamin D → Calcium absorption and bone health (prevents rickets)

Fat-Soluble Vitamins
• Vitamin A
• Vitamin D
• Vitamin E
• Vitamin K

Water-Soluble Vitamins
• Vitamin B complex
• Vitamin C

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