Vitamins & Minerals — Set 5
Biology · विटामिन और खनिज · Questions 41–50 of 70
Which mineral is important for wound healing and the functioning of the immune system?
Correct Answer: A. Zinc
Zinc is involved in cell division and growth, making it vital for repairing tissues. It also plays a significant role in how the immune system fights off bacteria and viruses. It is found in foods like meat, shellfish, and seeds.
Which vitamin deficiency is associated with bleeding gums and loose teeth?
Correct Answer: C. Vitamin C
Vitamin C is required for the synthesis of collagen, which holds teeth in their sockets. A severe lack of this vitamin weakens the connective tissues in the gums. This condition was historically common among sailors on long voyages.
Which of the following is a symptom of Vitamin D deficiency in adults?
Correct Answer: B. Osteomalacia
Osteomalacia is the adult version of rickets, involving the softening of the bones. It can lead to bone pain and muscle weakness due to poor mineralization. Adequate sunlight and fortified foods can help prevent this condition.
Which mineral is necessary for muscle contraction, including the beating of the heart?
Correct Answer: B. Calcium
Calcium ions are released in muscle cells to trigger the contraction process. It is vital for maintaining a regular heart rhythm and vascular health. The body maintains blood calcium levels very strictly to ensure these functions.
Which vitamin is also known as Phylloquinone?
Correct Answer: A. Vitamin K
Phylloquinone is the form of Vitamin K found in green plants. It is the primary dietary form of the vitamin for humans. It plays a critical role in the synthesis of coagulation factors in the liver.
Xerophthalmia is a medical condition caused by the deficiency of?
Correct Answer: B. Vitamin A
Xerophthalmia involves the drying of the eyes, which can lead to permanent blindness if untreated. It is a more advanced stage of Vitamin A deficiency than simple night blindness. It is a major cause of preventable blindness in children globally.
Which mineral is commonly used in table salt to prevent a specific neck swelling?
Correct Answer: B. Iodine
Iodized salt is the primary public health strategy to eliminate iodine deficiency disorders. It effectively prevents the development of goitre, which is an enlargement of the thyroid gland. This simple intervention has greatly reduced these disorders worldwide.
Which vitamin is essential for the healthy development of the fetus and prevents neural tube defects?
Correct Answer: A. Folic Acid (Vitamin B9)
Folic acid is critical for DNA synthesis and the development of the brain and spinal cord in embryos. Pregnant women are often advised to take folic acid supplements. It is naturally found in dark green vegetables and citrus fruits.
Which of the following minerals is found in Chlorophyll, the green pigment of plants?
Correct Answer: D. Magnesium
Magnesium is the central atom in the chlorophyll molecule, similar to iron in hemoglobin. It is vital for the process of photosynthesis, where plants convert light into energy. Animals obtain magnesium by consuming these plants.
The chemical name of Vitamin B12 is?
Correct Answer: D. Cyanocobalamin
Cyanocobalamin is the most common manufactured form of Vitamin B12. It is essential for nervous system health and the production of red blood cells. Since it is mostly in animal products, vegetarians may need supplements.