This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Vitamins Minerals Coenzymes And Deficiency Diseases – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Vitamins Minerals Coenzymes And Deficiency Diseases Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What two vitamins can function as coenzyme for DNA formation and red blood cell development? A) Vitamin B9. B) Vitamin B12. C) All of these. D) None of these. Show Answer Correct Answer: C) All of these. 2. A deficiency of Vitamin K results in a decreased level of A) Fibrinogen. B) Fibrin. C) Prothrombin. D) Thrombin. Show Answer Correct Answer: C) Prothrombin. 3. Vitamin k is mainly stored in the A) Heart. B) Liver. C) Kidney. D) None of the above. Show Answer Correct Answer: B) Liver. 4. Vitamin A is found in the A) Green. B) Red. C) White vegetables. D) Yellow. Show Answer Correct Answer: A) Green. 5. Which group is most often affected with copper deficiency? A) Alcoholics. B) Active toddlers with limited. C) Preterm infants food variety. D) Elderly woman. Show Answer Correct Answer: D) Elderly woman. 6. What metal ion is specifically bound by vitamin B12? A) Copper. B) Zinc. C) Iron. D) Cobalt. Show Answer Correct Answer: D) Cobalt. 7. Vitamin B7 is called A) Thiamin. B) Folic acid. C) Biotin. D) Niacin. Show Answer Correct Answer: C) Biotin. 8. Normal glucose metabolism requires A) Magnesium. B) Calcium. C) Chromium. D) Manganese. Show Answer Correct Answer: C) Chromium. 9. An enzyme, L-folate reductase reduces folic acid to A) Dihydrofolic acid. B) Hydrofolic acid. C) Trihydrofolic acid. D) Tetrahydrofolic acid. Show Answer Correct Answer: A) Dihydrofolic acid. 10. Number of water soluble vitamins is A) 7. B) 5. C) 3. D) 9. Show Answer Correct Answer: D) 9. 11. The symptoms of retinol excess are A) Nausea. B) Weakness. C) Bone fragility. D) All of these. Show Answer Correct Answer: D) All of these. 12. RDA recommendation for vitamin A for women and men are A) 700 women 750 men. B) 900 men 700 women. C) 500 women 700 men. D) 700 men 900 women. Show Answer Correct Answer: B) 900 men 700 women. 13. A deficiency of niacin causes A) Anemia. B) Scurvy. C) Pellagra. D) Cataract. Show Answer Correct Answer: C) Pellagra. 14. Water soluble vitamins influence after digestion are A) 8 to 14 hours. B) 6 to 12 hours. C) 5 to 10 hours. D) 2 to 3 hours. Show Answer Correct Answer: A) 8 to 14 hours. 15. Thyroid hormones are A) T3 (triiodothyronine). B) T4 (thyroxine). C) Both (a) and (b). D) None of these. Show Answer Correct Answer: C) Both (a) and (b). 16. Which of the following is known as anti scurvy factor? A) Vitamin A. B) Vitamin D. C) Vitamin B. D) Vitamin C. Show Answer Correct Answer: D) Vitamin C. 17. Which of the following are reduced coenzymes? A) ATP and GTP. B) NAD+and FAD. C) NADH and FADH2. D) Coenzyme A and ubiquinone. Show Answer Correct Answer: C) NADH and FADH2. 18. Muscular and nervous disorders is due to lack of A) Vitamin B. B) Vitamin D. C) Vitamin C. D) Vitamin A. Show Answer Correct Answer: B) Vitamin D. 19. Water soluble vitamins are A) Vitamins A, B. B) Vitamins C, D. C) Vitamins B, E. D) Vitamins B, C. Show Answer Correct Answer: B) Vitamins C, D. 20. Which water soluble vitamin has function that can maintain the normal function of nervous system? A) Vitamin B2. B) Vitamin B4. C) Vitamin B3. D) Vitamin B1. Show Answer Correct Answer: D) Vitamin B1. 21. What is the main source of natural fluoride? A) Meat. B) Mushrooms. C) Potatoes. D) Water. Show Answer Correct Answer: D) Water. 22. Which of the following vitamin is essential for the absorption of calcium from the intestinal tract? A) Vitamin C. B) Vitamin B. C) Vitamin A. D) Vitamin D. Show Answer Correct Answer: D) Vitamin D. 23. Which bone cell breaks down hardened materials, releasing calcium and phosphorus into the blood? A) Osteoclast. B) Osteoblast. C) All of the above. D) None of these. Show Answer Correct Answer: A) Osteoclast. 24. Which of the following is required as a component of blood hemoglobin? A) Magnesium. B) Copper. C) Calcium. D) Iron. Show Answer Correct Answer: D) Iron. 25. Trace minerals are A) Iron. B) Zinc. C) Iodine. D) All of the above. Show Answer Correct Answer: D) All of the above. 26. Name that vitamin which functions as coenzyme involved in energy production from CHO and Affect fat metabolism by blocking free acid release from adipose tissue to increase CHO use A) Vitamin B1. B) Vitamin B2. C) Vitamin B4. D) Vitamin B3. Show Answer Correct Answer: D) Vitamin B3. 27. In one iron-metalloflavoprotein, the iron is present as a A) Nonheme type. B) Heme-protein. C) Both (a) and (b). D) Flavin moiety. Show Answer Correct Answer: B) Heme-protein. 28. Which vitamins serve important protective functions as antioxidants? A) Vitamins A. B) Vitamins C. C) Vitamins E. D) All of the above. Show Answer Correct Answer: D) All of the above. 29. Manganese is needed for A) Reproduction and functioning of central nervous system. B) Normal bone structure. C) Both (a) and (b). D) Muscle strengthening. Show Answer Correct Answer: C) Both (a) and (b). 30. Vitamin B2 is also known as A) Riboflavin. B) Folic acid. C) Biotin. D) Thiamin. Show Answer Correct Answer: A) Riboflavin. 31. Biotin occurs mainly in combined forms bound to protein through A) $\epsilon$-N-lysine moiety. B) $\epsilon$-N-biotinyl-L-lysine. C) $\epsilon$-S-lysine moiety. D) $\epsilon$-N-lipoyl - L-lysine. Show Answer Correct Answer: A) $\epsilon$-N-lysine moiety. 32. Deficieny of vitamin B1 causes A) Infertility. B) Rickets. C) Scurvy. D) Beri Beri. Show Answer Correct Answer: D) Beri Beri. 33. Who discovered vitamin C (ascorbic acid)? A) Linus Pauling. B) Paul Berg. C) Kerry Mull. D) Albert Szent-Gyorgyi. Show Answer Correct Answer: D) Albert Szent-Gyorgyi. 34. Water soluble vitamins act mainly as A) Water. B) Fats. C) Minerals. D) Coenzymes. Show Answer Correct Answer: D) Coenzymes. 35. Which trace mineral is a component of the enzyme that activates vitamin A in the eye? A) Zinc. B) Iodine. C) Chromium. D) Iron. Show Answer Correct Answer: A) Zinc. 36. Which of the following compounds/(s) belong/(s) to the vitamin B6 group? A) Pyridoxal. B) Pyridoxine. C) Pyridoxamine. D) All of these. Show Answer Correct Answer: D) All of these. 37. Vitamin B7 can Functions as coenzyme in the metabolism of A) CHO. B) Fats. C) Protein. D) All of these. Show Answer Correct Answer: D) All of these. 38. What water soluble vitamin can necessary for formation of hemoglobin and red blood cells? A) Pyridoxine. B) Vitamin B6. C) Both (a) and (b). D) None of these. Show Answer Correct Answer: C) Both (a) and (b). 39. Which fat soluble vitamin Forms visual purple for night vision (visual pigment).Maintains epithelial tissue in skin and mucous membranes.Promotes bone formation A) Vitamin B. B) Vitamin K. C) Vitamin A. D) Vitamin D. Show Answer Correct Answer: C) Vitamin A. 40. Adding ..... to a breakfast of cereal will help your body absorb iron. A) Milk. B) Water. C) Orange juice. D) Coffee. Show Answer Correct Answer: C) Orange juice. 41. Which of the following is not a source of vitamin C? A) Guava. B) Potato. C) Milk. D) Tomato. Show Answer Correct Answer: C) Milk. 42. In the co-enzyme B12 the position occupied by a cyanide ion in vitamin B12 is bonded directly to the ..... of the ribose of adenosine. A) Hydroxycobalamin. B) Adenine. C) 5-6 dimethylbenzimidazole. D) Cyanocobalamin. Show Answer Correct Answer: B) Adenine. 43. Which of the following mineral is involved in protein metabolism and oxidation reactions? A) Magnesium. B) Manganese. C) Calcium. D) Molybdenum. Show Answer Correct Answer: D) Molybdenum. 44. Which vitamin gets destroyed on heating A) Vitamin A. B) Vitamin C. C) Vitamin B. D) Vitamin D. Show Answer Correct Answer: B) Vitamin C. 45. $\beta$-carotene together with $\alpha$-carotene, $\gamma$-carotene and cryptoxanthine are synthesized by A) Plants. B) Animal. C) Plants and animals both. D) None of these. Show Answer Correct Answer: A) Plants. 46. Which one of the following vitamins is known as the anti sterile factor? A) Retinol. B) Riboflavin. C) Ascorbic acid. D) None of these. Show Answer Correct Answer: B) Riboflavin. 47. An endemic disease of cardiomyopathy in children is attributed to A) High intake of iron. B) Low intake of iron. C) High Se in the environment. D) Low Se in the environment. Show Answer Correct Answer: D) Low Se in the environment. 48. If vitamins taken in excess can be stored in A) Fat. B) Body fat. C) Fat tissue. D) All of the above. Show Answer Correct Answer: D) All of the above. 49. How do plants manufacture vitamins A) From the soil. B) Photosynthesis. C) Water absorbtion. D) None of these. Show Answer Correct Answer: B) Photosynthesis. 50. Lipoic acid exists in A) Reduced form. B) Oxidized form. C) Oxidized and reduced form both. D) None of these. Show Answer Correct Answer: C) Oxidized and reduced form both. 51. Bone has two types of cells what are they A) Osteoblast. B) Osteoclast. C) All of the above. D) None of these. Show Answer Correct Answer: C) All of the above. 52. Fat soluble vitamins are A) Vitamins A, B. B) Vitamins A, B, C, D. C) Vitamins B, C. D) Vitamins A, D, E, K. Show Answer Correct Answer: D) Vitamins A, D, E, K. 53. Provide structure in forming bones and teeth. Help maintain normal heart rhythm, muscle contraction, neural conductivity, and acid base balance Regulate cellular metabolism by becoming part of enzymes A) Choline. B) Minerals. C) Vitamins B1 to B12. D) All vitamins. Show Answer Correct Answer: B) Minerals. 54. Selenium is an essential component of the enzyme glutathione peroxidase which A) Oxidizes toxic hydoperoxycompounds in tissues. B) Reduces toxic hydoperoxycompounds in tissues. C) Scavenges toxic hydoperoxycompounds in tissues. D) None of the above. Show Answer Correct Answer: C) Scavenges toxic hydoperoxycompounds in tissues. 55. Vitamins are essential because the organism A) Can't synthesize these compounds in the adequate amounts. B) Can synthesize these compounds partially. C) Can't synthesize these compounds at all. D) None of the above. Show Answer Correct Answer: C) Can't synthesize these compounds at all. 56. Coenzymes consist of two parts A) Protein molecule. B) Coenzyme. C) Both (a) and (b). D) None of these. Show Answer Correct Answer: C) Both (a) and (b). 57. The occurrence of metals such as iron or molybdenum in some flavoproteins can A) Form chelation. B) Stabilize the semiquinone. C) De-stabilize the semiquinone. D) All of these. Show Answer Correct Answer: B) Stabilize the semiquinone. 58. Selenium deficiency leads to A) Liver necrosis. B) Crohn's disease. C) Multiple sclerosis. D) Diarrhea. Show Answer Correct Answer: A) Liver necrosis. 59. Acyl carrier protein (ACP) plays an important role in the biosynthesis of A) Carbohydrates. B) Fatty acids. C) Sugars. D) Amino acids. Show Answer Correct Answer: B) Fatty acids. 60. What compound of raw egg white causes a syndrome similar to vitamin B deficiency? A) Avidin. B) Betabindin. C) Albumin. D) Ovalbumin. Show Answer Correct Answer: A) Avidin. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesVitamins Minerals Coenzymes And Deficiency Diseases Quiz 1Vitamins Minerals Coenzymes And Deficiency Diseases Quiz 3Biological Sciences QuizBiology QuizBotany QuizCell Biology QuizCirculatory System QuizEndocrine Glands Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books