 
			 
			MCQOPTIONS
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				This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Which of the following mineral is involved in protein metabolism and oxidation reactions? | 
| A. | Molybdenum | 
| B. | Manganese | 
| C. | Magnesium | 
| D. | calcium | 
| Answer» B. Manganese | |
| 2. | Which of the following carbohydrate is effective in promoting the calcium absorption? | 
| A. | Lactose | 
| B. | Maltose | 
| C. | Sucrose | 
| D. | Xylose | 
| Answer» B. Maltose | |
| 3. | What transports copper from the intestinal cells to the liver? | 
| A. | Ceruloplasmin | 
| B. | Secretin | 
| C. | Acrolein | 
| D. | Albumin | 
| Answer» B. Secretin | |
| 4. | Which group is most often affected with copper deficiency? | 
| A. | Elderly woman | 
| B. | Alcoholics | 
| C. | Active toddlers with limited | 
| D. | Preterm infants food variety | 
| Answer» B. Alcoholics | |
| 5. | What condition is caused by iodine deficiency during pregnancy and is characterized by stunted growth, deafness, and mental retardation? | 
| A. | Cretinism | 
| B. | Keshan disease | 
| C. | Multiple sclerosis | 
| D. | Crohn's disease | 
| Answer» B. Keshan disease | |
| 6. | Iodine is a part of thyroid hormone and is essential for the prevention of | 
| A. | goiter | 
| B. | osteoporosis | 
| C. | muscle weakness | 
| D. | diarrhea | 
| Answer» B. osteoporosis | |
| 7. | What is the main source of natural fluoride? | 
| A. | Mushrooms | 
| B. | Potatoes | 
| C. | Meat | 
| D. | Water | 
| Answer» E. | |
| 8. | Which of the following mineral is involved in the enzyme -controlled energy yielding reactions of metabolism? | 
| A. | Calcium | 
| B. | Phosphorus | 
| C. | Iron | 
| D. | Copper | 
| Answer» C. Iron | |
| 9. | The mineral which aids in the utilization of iron and in hemoglobin synthesis is | 
| A. | calcium | 
| B. | phosphorus | 
| C. | cobalt | 
| D. | copper | 
| Answer» E. | |
| 10. | The mineral which is considered important in maintaining electrical potential in nerves and membranes is | 
| A. | magnesium | 
| B. | manganese | 
| C. | calcium | 
| D. | iron | 
| Answer» B. manganese | |
| 11. | Wilson's disease is an example of __________ and Menkes' syndrome is an example of __________ . | 
| A. | zinc deficiency; zinc toxicity | 
| B. | zinc toxicity; zinc deficiency | 
| C. | copper deficiency; copper toxicity | 
| D. | copper toxicity; copper deficiency | 
| Answer» E. | |
| 12. | Examples of goitrogenic foods are __________ and __________ . | 
| A. | turnips and corn | 
| B. | rutabagas and okra | 
| C. | raw cabbage and turnips | 
| D. | cassava and lettuce | 
| Answer» D. cassava and lettuce | |
| 13. | Which of the following mineral deficiency may result into impaired growth and development, skin lesions and loss of appetite? | 
| A. | Zinc | 
| B. | Cobalt | 
| C. | Iron | 
| D. | Magnesium | 
| Answer» B. Cobalt | |
| 14. | Which of the following is not a function of iron? | 
| A. | Oxygen transport | 
| B. | Immune function | 
| C. | Brain function | 
| D. | Gene regulation | 
| Answer» E. | |
| 15. | Consumption of which nutrient leads to the multiplication of oral bacteria? | 
| A. | Fat | 
| B. | Carbohydrate | 
| C. | Protein | 
| D. | Fluoride | 
| Answer» C. Protein | |
| 16. | Which trace mineral is a component of the enzyme that activates vitamin A in the eye? | 
| A. | Zinc | 
| B. | Iron | 
| C. | Iodine | 
| D. | Chromium | 
| Answer» B. Iron | |
| 17. | Chronic consumption of excess selenium can lead to | 
| A. | brittle hair and nails. | 
| B. | muscle weakness, | 
| C. | TPN | 
| D. | diarrhea. | 
| Answer» C. TPN | |
| 18. | An endemic disease of cardiomyopathy in children is attributed to | 
| A. | low Se in the environment | 
| B. | low intake of iron | 
| C. | high Se in the environment | 
| D. | high intake of iron | 
| Answer» B. low intake of iron | |
| 19. | Normal glucose metabolism requires | 
| A. | chromium | 
| B. | manganese | 
| C. | magnesium | 
| D. | calcium | 
| Answer» B. manganese | |
| 20. | Manganese is needed for | 
| A. | normal bone structure | 
| B. | reproduction and functioning of central nervous system | 
| C. | both (a) and (b) | 
| D. | muscle strengthening | 
| Answer» D. muscle strengthening | |
| 21. | Which of the following is required as a component of blood hemoglobin? | 
| A. | Iron | 
| B. | Magnesium | 
| C. | Calcium | 
| D. | Copper | 
| Answer» B. Magnesium | |
| 22. | Adding __________ to a breakfast of cereal will help your body absorb iron. | 
| A. | milk | 
| B. | orange juice | 
| C. | coffee | 
| D. | water | 
| Answer» C. coffee | |
| 23. | Which of the following ion is required for the development of sound teeth with resistance to tooth decay? | 
| A. | Fluoride ion | 
| B. | Sodium ion | 
| C. | Chloride ion | 
| D. | Magnesium ion | 
| Answer» B. Sodium ion | |
| 24. | Which of the following two beverages contribute 20 to 30 percent of our daily manganese intake? | 
| A. | Milk or tea | 
| B. | Cola or coffee | 
| C. | Tea or orange juice | 
| D. | Milk or orange juice | 
| Answer» B. Cola or coffee | |
| 25. | Manganese is a key component of all of the following enzymes except | 
| A. | arginase | 
| B. | pyruvate carboxylase | 
| C. | ceruloplasmin | 
| D. | Mn-superoxide dismutase | 
| Answer» D. Mn-superoxide dismutase | |
| 26. | Which of the following is necessary for the clotting of blood, functions of certain enzymes and control of fluids through cell membranes? | 
| A. | Calcium | 
| B. | Magnesium | 
| C. | Copper | 
| D. | Cobalt | 
| Answer» B. Magnesium | |
| 27. | Selenium deficiency leads to | 
| A. | liver necrosis | 
| B. | diarrhea | 
| C. | multiple sclerosis | 
| D. | Crohn's disease | 
| Answer» B. diarrhea | |