

MCQOPTIONS
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 | |