InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
β-Carotene, precursor of vitamin A, is oxidatively cleaved by (A) β-Carotene dioxygenase (B) Oxygenase (C) Hydroxylase (D) Transferase |
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Answer» β-Carotene, precursor of vitamin A, is oxidatively cleaved by β-Carotene dioxygenase. |
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| 2. |
Preformed Vitamin A is supplied by (A) Milk, fat and liver (B) All yellow vegetables (C) All yellow fruits (D) Leafy green vegetables |
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Answer» Preformed Vitamin A is supplied by Milk, fat and liver. |
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| 3. |
Retinal is reduced to retinol in intestinal mucosa by a specific retinaldehyde reductase utilising (A) NADPH + H+ (B) FAD (C) NAD (D) NADH + H+ |
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Answer» Retinal is reduced to retinol in intestinal mucosa by a specific retinaldehyde reductase utilising NADPH + H+. |
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| 4. |
The performed Vitamin A is supplied by foods such as (A) Butter(B) Eggs (C) Fish liver oil(D) All of these |
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Answer» (D) All of these |
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| 5. |
Retinal is reduced to retinol by retinene reductase in presence of the coenzyme (A) NAD+ (B) NADP+ (C) NADH + H+ (D) NADPH + H+ |
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Answer» Retinal is reduced to retinol by retinene reductase in presence of the coenzyme NADH + H+. |
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| 6. |
The non-protein part of rhodopsin is (A) Retinal (B) Retinol (C) Carotene (D) Repsin |
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Answer» The non-protein part of rhodopsin is Retinal. |
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| 7. |
Retinal exists as an ester with higher fatty acids in the (A) Liver(B) Kidney (C) Lung (D) All of these |
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Answer» (D) All of these |
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| 8. |
Provitamins A include (A) Retinal (B) Retionic acid (C) Carotenes (D) All of these |
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Answer» Provitamins A include Carotenes. |
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| 9. |
Vitamin A or retinal is a(A) Steroid (B) Polyisoprenoid compound containing a cyclohexenyl ring (C) Benzoquinone derivative (D) 6-Hydroxychromane |
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Answer» (B) Polyisoprenoid compound containing a cyclohexenyl ring |
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| 10. |
In biotin-containing enzymes, the biotin is bound to the enzyme by (A) An amide linkage to carboxyl group of glutamine (B) A covalent bond with CO2 (C) An amide linkage to an amino group of lysine (D) An amide linkage to α-carboxyl group of protein |
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Answer» C) An amide linkage to an amino group of lysine |
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| 11. |
Vitamin E protects the polyunsaturated fatty acids from oxidation by molecular oxygen in the formation of (A) Superoxide (B) Peroxide (C) Trioxide (D) All of these |
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Answer» (B) Peroxide |
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| 12. |
Tocopherols prevent the oxidation of (A) Vitamin A (B) Vitamin D (C) Vitamin K (D) Vitamin C |
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Answer» Tocopherols prevent the oxidation of Vitamin A. |
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| 13. |
The activity of tocopherols is destroyed by (A) Oxidation (B) Reduction (C) Conjugation (D) All of these |
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Answer» The activity of tocopherols is destroyed by Oxidation. |
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| 14. |
Biological activity of tocopherols has been attributed in part to their action as (A) Antioxidant (B) Anticoagulents (C) Provitamin (D) Carriers in electron transport system |
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Answer» Biological activity of tocopherols has been attributed in part to their action as Anticoagulents. |
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| 15. |
The methyl groups in the aromatic nucleus of a tocopherols are (A) 2 (B) 3 (C) 4 (D) 5 |
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Answer» The methyl groups in the aromatic nucleus of a tocopherols are 3. |
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| 16. |
The tocopherols prevent the oxidation of (A) Vitamin A (B) Vitamin D (C) Vitamin K (D) Vitamin C |
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Answer» The tocopherols prevent the oxidation of Vitamin A. |
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| 17. |
There can be intolerance with respect to the following sugar: (A) Glucose (B) Lactose (C) Maltose (D) Xylose |
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Answer» There can be intolerance with respect to the following sugar Lactose. |
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| 18. |
Which among the following is an essential amino acid for man? (A) Alanine (B) Serine (C) Valine (D) Glutamic acid |
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Answer» Valine is an essential amino acid for man. |
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| 19. |
Under what condition to basal metabolic rate goes up? (A) Cold environment (B) Hot environment (C) Intake of base forming foods (D) Hypothyroidism |
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Answer» (A) Cold environment |
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| 20. |
Sucrose intolerance leads to (A) Hyper glycemia (B) Glycosuria (C) Diarrhoea (D) Hypoglycemia |
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Answer» Sucrose intolerance leads to Diarrhoea. |
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| 21. |
BMR (Basal Metabolic rate) is elevated in (A) Hyper thyroidism (B) Under nutrition (C) Starvation (D) Hypothyroidism |
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Answer» BMR (Basal Metabolic rate) is elevated in Hyper thyroidism. |
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| 22. |
Egg contains very little (A) Fat (B) Proteins (C) Carbohydrates (D) Calcium and phosphorus |
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Answer» Egg contains very little Carbohydrates. |
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| 23. |
Methylcobalamin is required for formation of (A) Serin from glycine (B) Glycine from serine (C) Methionine from homocysteine (D) All of these |
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Answer» (C) Methionine from homocysteine |
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| 24. |
The significant ocular lesion in a riboflavinosis is (A) Keratomalacia (B) Bitot’s spots (C) Vascularisation of the cornea (D) Lachrynal metaplasia |
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Answer» (C) Vascularisation of the cornea |
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| 25. |
Rod cells possess a trans-membrane protein which is (A) Adenylate cyclase (B) Transducin (C) Rhodopsin (D) B as well as C |
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Answer» Rod cells possess a trans-membrane protein which is Rhodopsin. |
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| 26. |
Biotin is required for the reaction of CO2 with(A) Water (B) Acetyl CoA (C) NH3 (D) Incorporation of carbon 6 in purine |
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Answer» Biotin is required for the reaction of CO2 with Acetyl CoA. |
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| 27. |
Angular stomatosis is due to (A) Ariboflavinoses (B) Deficiency of Vitamin C (C) Deficiency of Vitamin B1 (D) Deficiency of folate |
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Answer» Angular stomatosis is due to Deficiency of Vitamin C. |
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| 28. |
Biotin is also known as (A) Anti egg white injury factor (B) Rutin (C) Both (A) and (B) (D) None of these |
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Answer» Correct option: Anti egg white injury factor. Explanation: Biotin is also called anti-egg white injury factor because, egg white contains a protein called avidin, which combines with biotin in the intestinal tract and prevents absorption of biotin from intestines. |
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| 29. |
Avidin is present in (A) Cow’s milk (B) Raw egg (C) Green leafy vegetables (D) Carrots |
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Answer» Avidin is present in Raw egg. |
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| 30. |
Which of the following is not a component of coenzyme A? (A) Pantothenic acid (B) Adenylic acid (C) Acetic acid (D) Sulfhydryl group |
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Answer» Acetic acid is not a component of coenzyme A. |
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| 31. |
The enzymes with which nicotinamide act as coenzyme are (A) Dehydrogenases (B) Transaminases (C) Decarboxylases (D) Carboxylases |
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Answer» The enzymes with which nicotinamide act as coenzyme are Dehydrogenases. |
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| 32. |
When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected |
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Answer» (B) Avidin is inactivated but biotin remains unaffected |
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| 33. |
The egg injury factor in raw egg white is (A) Biotin (B) Avidin (C) Albumin (D) Calcium salts |
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Answer» The egg injury factor in raw egg white is Avidin. |
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| 34. |
Dietary requirement of Vitamin D: (A) 400 I.U. (B) 1000 I.U. (C) 6000 I.U. (D) 700 I.U. |
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Answer» Dietary requirement of Vitamin D 400 I.U. |
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| 35. |
Pantothenic acid is a constituent of the coenzyme involved in (A) Decarboxylation (B) Dehydrogenation (C) Acetylation (D) Oxidation |
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Answer» Pantothenic acid is a constituent of the coenzyme involved in Acetylation. |
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| 36. |
Consumption of raw eggs can cause deficiency of (A) Biotin (B) Pantothenic acid (C) Riboflavin (D) Thiamin |
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Answer» Consumption of raw eggs can cause deficiency of Biotin. |
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| 37. |
Pantothenic acid is a constituent of coenzyme involved in (A) Acetylation (B) Decarboxylation (C) Dehydrogenation (D) Oxidation |
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Answer» Pantothenic acid is a constituent of coenzyme involved in Acetylation. |
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| 38. |
Deficiency of pantothenic acid in human beings can affect (A) Nervous system (B) Digestive system (C) Both (A) and (B) (D) None of these |
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Answer» (C) Both (A) and (B) |
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| 39. |
The vitamin required as coenzyme for the action of transaminases is (A) Niacin (B) Pantothenic acid (C) Pyridoxal phosphate (D) Riboflavin |
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Answer» The vitamin required as coenzyme for the action of transaminases is Pyridoxal phosphate. |
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| 40. |
Vitamin necessary for CoA synthesis: (A) Pantothenic acid (B) Vitamin C (C) B6 (D) B12 |
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Answer» Vitamin necessary for CoA synthesis Pantothenic acid. |
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| 41. |
Vitamin B6 deficiency may occur during therapy with (A) Isoniazid (B) Terramycin (C) Sulpha drugs (D) Aspirin |
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Answer» Vitamin B6 deficiency may occur during therapy with Isoniazid. |
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| 42. |
Symptoms of pellagra are (A) Dermatitis and diarrhea only (B) Dermatitis and dementia only (C) Diarrhea, dermatitis and dementia (D) Diarrhea and elements only |
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Answer» (C) Diarrhea, dermatitis and dementia |
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| 43. |
Methyl malonic aciduria is seen in the deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12 |
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Answer» Methyl malonic aciduria is seen in the deficiency of Vitamin B12. |
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| 44. |
In pellagra, dermatitis usually affects (A) Exposed parts of body (B) Covered parts of body (C) Trunk only (D) All parts of the body |
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Answer» In pellagra, dermatitis usually affects Exposed parts of body. |
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| 45. |
A synthetic form of vitamin K is (A) Menadione (B) Farnoquinone (C) Phylloquinone (D) None of these |
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Answer» A synthetic form of vitamin K is Menadione. |
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| 46. |
A water soluble form of vitamin K is (A) Phylloquinone (B) Farnoquinone (C) Menadione (D) None of these |
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Answer» A water soluble form of vitamin K is Menadione. |
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| 47. |
Deficiency of vitamin B12 can occur because of (A) Decreased intake of vitamin B12 (B) Atrophy of gastric mucosa (C) Intestinal malabsorption (D) All of these |
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Answer» (D) All of these |
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| 48. |
Rice polishings contain this vitamin:(A) Riboflavin (B) Niacin (C) Thiamine (D) Vitamin B12 |
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Answer» Vitamin B12.. |
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| 49. |
Absorption of Vitamin B12 requires the presence of (A) Pepsin (B) Hydrochloric acid (C) Intrinsic factor (D) Both (B) and (C) |
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Answer» (D) Boh (B) and (C) |
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| 50. |
Intestinal bacteria can synthesise (A) Phyllogquinone (B) Farnoquinone (C) Both (A) and (B) (D) Menadione |
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Answer» Intestinal bacteria can synthesise Farnoquinone. |
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