Vitamins & Minerals — Set 2
Biology · विटामिन और खनिज · Questions 11–20 of 70
Which vitamin is also known as Ascorbic Acid?
Correct Answer: C. Vitamin C
Ascorbic acid is the chemical term for Vitamin C found in many plants. It acts as a powerful antioxidant that protects cells from damage. It also enhances the absorption of iron from plant-based foods.
Beriberi is a disease associated with the deficiency of which vitamin?
Correct Answer: A. Vitamin B1
Vitamin B1, or Thiamine, deficiency leads to Beriberi, affecting the heart and nerves. It is often seen in populations whose diet consists mainly of polished rice. Whole grains and legumes are good sources of this nutrient.
Which vitamin contains a metal ion (Cobalt) in its structure?
Correct Answer: A. Vitamin B12
Vitamin B12 is also called Cyanocobalamin because of the presence of cobalt. It is essential for the formation of red blood cells and DNA. This vitamin is primarily found in animal-derived food products.
Which of the following is a fat-soluble vitamin?
Correct Answer: C. Vitamin K
Vitamins A, D, E, and K are all classified as fat-soluble vitamins. These are stored in the body's fatty tissues and the liver for long periods. They require dietary fat for proper absorption in the digestive tract.
Pernicious anemia is caused by the deficiency of which vitamin?
Correct Answer: A. Vitamin B12
Vitamin B12 deficiency prevents the body from making enough healthy red blood cells. This condition often results from the body's inability to absorb the vitamin properly. It can lead to permanent nerve damage if not treated early.
Which mineral helps in maintaining the water balance in the human body?
Correct Answer: A. Sodium
Sodium is the primary electrolyte that regulates fluid levels outside the cells. It also helps in the transmission of nerve impulses and muscle function. Common table salt is the most frequent source of sodium in the diet.
Rickets is a childhood disease caused by the lack of?
Correct Answer: A. Vitamin D
Vitamin D deficiency leads to the softening and weakening of bones in children. This occurs because the body cannot absorb calcium without sufficient Vitamin D. In adults, a similar condition is known as Osteomalacia.
Which vitamin is also known as Tocopherol?
Correct Answer: B. Vitamin E
Vitamin E is a group of compounds, with tocopherol being the most active form. It serves as an antioxidant that protects cell membranes from oxidative stress. It is found in vegetable oils, nuts, and green vegetables.
Which mineral is found in the center of the Hemoglobin molecule?
Correct Answer: D. Iron
Iron is the essential element that allows hemoglobin to bind with oxygen. Each hemoglobin protein can carry four molecules of oxygen throughout the body. Lack of iron directly reduces the capacity of blood to carry oxygen.
Deficiency of which vitamin causes Pellagra?
Correct Answer: C. Niacin
Pellagra is caused by a deficiency of Niacin, which is also known as Vitamin B3. It is characterized by the 'four Ds': dermatitis, diarrhea, dementia, and death. This condition was historically common in regions where corn was the staple food.