Vitamins & Minerals — Set 3
Biology · विटामिन और खनिज · Questions 21–30 of 70
Which vitamin is destroyed most easily during the process of cooking?
Correct Answer: B. Vitamin C
Vitamin C is highly sensitive to heat and oxygen during food preparation. Boiling vegetables in water can cause a significant loss of this water-soluble nutrient. Eating raw fruits and vegetables is recommended to maximize Vitamin C intake.
Excessive intake of which vitamin can be toxic as it is stored in the liver?
Correct Answer: C. Vitamin A
Vitamin A is fat-soluble and can accumulate to dangerous levels if taken in excess. This condition is known as Hypervitaminosis A and can damage the liver. Water-soluble vitamins are generally safer because they are flushed out.
Which mineral is primarily responsible for the transmission of nerve impulses?
Correct Answer: B. Potassium
Potassium is an essential electrolyte that helps conduct electrical signals in the nervous system. It works along with sodium to maintain the electrical potential of cell membranes. Bananas and potatoes are well-known sources of potassium.
Which vitamin is synthesized by bacteria in the large intestine of humans?
Correct Answer: B. Vitamin K
Intestinal bacteria produce Vitamin K2, which contributes to the body's overall requirement. This symbiotic relationship helps in maintaining proper blood clotting mechanisms. Antibiotics can sometimes reduce these bacteria and lower Vitamin K levels.
The chemical name of Vitamin B2 is?
Correct Answer: D. Riboflavin
Riboflavin is a yellow-colored vitamin that is important for energy production. It helps the body break down carbohydrates, proteins, and fats. Milk and eggs are excellent dietary sources of Vitamin B2.
Which mineral is required for the proper functioning of the hormone Insulin?
Correct Answer: C. Chromium
Chromium enhances the action of insulin, which is vital for blood sugar regulation. It helps the body process carbohydrates and fats more effectively. It is considered a trace mineral because it is needed in very small amounts.
Which vitamin is often called the 'Beauty Vitamin'?
Correct Answer: D. Vitamin E
Vitamin E is associated with skin health and is often found in beauty products. It helps protect the skin from aging and damage caused by free radicals. It is also believed to improve the health and shine of hair.
Deficiency of Vitamin B6 (Pyridoxine) can cause?
Correct Answer: B. Mild Anemia
Vitamin B6 is involved in the synthesis of hemoglobin and neurotransmitters. A lack of this vitamin can lead to skin disorders and a type of anemia. It is found in a wide variety of foods like fish and bananas.
Which mineral prevents the decay of teeth when present in drinking water in small amounts?
Correct Answer: D. Fluorine
Fluorine, in the form of fluoride, helps in the mineralization of tooth enamel. It makes the teeth more resistant to acids produced by bacteria in the mouth. However, excessive fluoride can lead to a condition called Fluorosis.
Which vitamin is essential for the healthy functioning of the reproductive system?
Correct Answer: D. Vitamin E
Vitamin E is often linked to fertility and the health of the reproductive organs. It acts as an antioxidant that protects reproductive cells from damage. It was historically discovered as a factor necessary for successful pregnancy in animals.