Nutrition Basics — Set 5
Biology · पोषण की मूल बातें · Questions 41–50 of 50
Which nutrient is referred to as the 'Biological Catalysts' when they are in the form of proteins?
Correct Answer: A. Enzymes
Enzymes are specialized proteins that increase the rate of chemical reactions in living organisms. They are involved in everything from digesting food to copying DNA. A lack of specific enzymes can lead to metabolic disorders.
Which vitamin is also known as 'Folic Acid', vital for DNA synthesis?
Correct Answer: A. Vitamin B9
Vitamin B9 or Folic acid is essential for cell division and the production of red blood cells. It is especially important during pregnancy to prevent birth defects in the baby's brain and spine. It is found in green leafy vegetables and legumes.
Which mineral is required for 'Muscle Contraction' and blood pressure regulation?
Correct Answer: B. Magnesium
Magnesium is a cofactor in more than 300 enzyme systems in the human body. It helps muscles relax after a contraction and supports a healthy immune system. Whole grains, nuts, and dark chocolate are good sources.
Which vitamin is called 'Calciferol'?
Correct Answer: A. Vitamin D
Calciferol is the chemical name for Vitamin D, which regulates the mineral balance in bones. There are two main forms: Ergocalciferol (D2) and Cholecalciferol (D3). It is essential for preventing bone-related diseases.
Which nutrient is the major source of energy for sedentary people?
Correct Answer: C. Carbohydrates
Carbohydrates are the most readily available source of energy for day-to-day low-intensity tasks. Starchy foods like rice, bread, and corn make up the bulk of most human diets. If not used, the energy from carbohydrates is stored as fat.
What is the role of 'Bile' in the digestion of fats?
Correct Answer: B. Emulsifying fats
The correct answer is 'Emulsifying fats'. Bile is a fluid produced by the liver that breaks down large fat globules into tiny droplets. This process, called emulsification, increases the surface area for digestive enzymes to work. Bile is stored in the gallbladder before being released into the small intestine.
Which vitamin is essential for keeping the skin and eyes healthy?
Correct Answer: D. Vitamin A
Vitamin A helps maintain the health of epithelial tissues and produces pigments in the retina. It is found in animal sources and in the form of carotenoids in plants. A deficiency is the leading cause of preventable blindness in children.
Which of the following is a symptom of 'Iron deficiency'?
Correct Answer: C. Anemia and fatigue
Anemia occurs when the blood lacks enough healthy red blood cells to carry oxygen to the tissues. This is usually caused by insufficient iron in the diet to make hemoglobin. It makes a person feel weak, tired, and short of breath.
Which vitamin is important for 'Healthy Gums' and wound healing?
Correct Answer: D. Vitamin C
Vitamin C helps in the repair of all body tissues and strengthens the immune system. It keeps the capillaries strong and prevents the gums from bleeding easily. Citrus fruits like oranges and lemons are very high in this vitamin.
Which of these foods is considered a 'Complete Protein' source?
Correct Answer: A. Eggs
Complete proteins contain all nine essential amino acids that the body cannot make on its own. Most animal products like eggs, meat, and milk are complete proteins. Some plant sources like quinoa and soy are also considered complete.