Discussion
Home ‣ Biochemistry ‣ Vitamins and Coenzymes Comments
- Question
Which of these molecules is vitamin H?
Options- A. Biotin
- B. Carnitine
- C. Folic acid
- D. None of these
- Correct Answer
- Biotin
- 1. An example of a digestive hormone is
Options- A. lipase
- B. pepsin
- C. amylase
- D. gastrin Discuss
- 2. Who discovered vitamin C (ascorbic acid)?
Options- A. Paul Berg
- B. Linus Pauling
- C. Albert Szent-Gyorgyi
- D. Kerry Mull is Discuss
- 3. A deficiency of niacin causes
Options- A. pellagra
- B. scurvy
- C. cataract
- D. anemia Discuss
- 4. A deficiency of Vitamin K results in a decreased level of
Options- A. prothrombin
- B. thrombin
- C. fibrin
- D. fibrinogen Discuss
- 5. An enzyme, L-folate reductase reduces folic acid to
Options- A. hydrofolic acid
- B. dihydrofolic acid
- C. trihydrofolic acid
- D. tetrahydrofolic acid Discuss
- 6. The vitamin riboflavin, which occurs as a yellow pigment in egg yolk and milk become
Options- A. colorless on reduction with Zn in acid and regained its color on re-oxidation
- B. colorless on oxidation and regained its color on reduction with Zn in acid
- C. more deep in color on reduction with Zn in acid and regained its color on re-oxidation
- D. more deep in color on oxidation and regained its color on reduction with Zn in acid Discuss
- 7. Ascorbic acid acts as an
Options- A. reducing agent
- B. oxidizing agent
- C. oxidizing and reducing agent both
- D. none of the above Discuss
- 8. In one iron-metalloflavoprotein, the iron is present as a
Options- A. heme-protein
- B. nonheme type
- C. both (a) and (b)
- D. flavin moiety Discuss
- 9. What compound of raw egg white causes a syndrome similar to vitamin B deficiency?
Options- A. Avidin
- B. Betabindin
- C. Ovalbumin
- D. Albumin Discuss
- 10. Vitamin B12 (Cobalamin) is only synthesized by
Options- A. fishes
- B. micro-organisms
- C. plants
- D. animals Discuss
Vitamins and Coenzymes problems
Search Results
Correct Answer: gastrin
Correct Answer: Albert Szent-Gyorgyi
Correct Answer: pellagra
Correct Answer: prothrombin
Correct Answer: dihydrofolic acid
Correct Answer: colorless on reduction with Zn in acid and regained its color on re-oxidation
Correct Answer: reducing agent
Correct Answer: heme-protein
Correct Answer: Avidin
Correct Answer: micro-organisms
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