Q. Which of the following Vitamin is responsible for anti-sterile activities?
Answer: Vitamin E
Notes: Vitamin E is known as anti-sterility vitamin or fertility vitamin. It is chemically called as tocopherol. Vitamin E deficiency occurs rarely in adults. Much like vitamin C, vitamin E is another powerful anti-oxidant. Vitamin E is used during testosterone synthesis. Sperm production or spermatogenesis requires vitamin E as well as zinc. Following symptoms have been associated with vitamin E deficiency in humans:

• Muscular weakness & dystrophy, nocturnal muscle cramps
• Neurological disorders
• Degeneration of liver (hepatic necrosis)
• Shortened life-span of RBCs