MCQOPTIONS
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MCQOPTIONS
This section includes 84 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Vitamin A deficiency leads to a disease known as |
| A. | night-blindness |
| B. | beri-beri |
| C. | scurvy |
| D. | TB |
| Answer» B. beri-beri | |
| 52. |
The carbohydrate which serves as a reserve glucose in body is |
| A. | sucrose |
| B. | starch |
| C. | glycogen |
| D. | fructose |
| Answer» D. fructose | |
| 53. |
Sucrose on hydrolysis gives |
| A. | glucose only |
| B. | glucose and galactose |
| C. | glucose and fructose |
| D. | glucose and lactos |
| Answer» D. glucose and lactos | |
| 54. |
The disacchairde present in milk is |
| A. | sucrose |
| B. | lactose |
| C. | maltose |
| D. | none of these |
| Answer» C. maltose | |
| 55. |
When sodium benzoate is heated with soda lime, we get |
| A. | taluene |
| B. | ethylene |
| C. | benzene |
| D. | aniline |
| Answer» D. aniline | |
| 56. |
The number of - electrons in benzene molecule are |
| A. | 6 |
| B. | 3 |
| C. | 5 |
| D. | 4 |
| Answer» B. 3 | |
| 57. |
Enzymes |
| A. | accelerate bio-chemical reactions |
| B. | consist of amino acids |
| C. | have optimum activity at body temperature |
| D. | have all these properties |
| Answer» E. | |
| 58. |
Bleeding gums is generally associated with a deficiency |
| A. | thiamine |
| B. | ascorbic acid |
| C. | folic acid |
| D. | vitamin E |
| Answer» C. folic acid | |
| 59. |
Amino acids are building blocks of |
| A. | carbohydrates |
| B. | fats |
| C. | proteins |
| D. | vitamins |
| Answer» D. vitamins | |
| 60. |
Which of the following is not a sex hormone ? |
| A. | Testosterone |
| B. | Estrone |
| C. | Estradiol |
| D. | Cortisone |
| Answer» E. | |
| 61. |
Which one is not the essential constituent of balanced diet ? |
| A. | Hormones |
| B. | Carbohydrates |
| C. | Fats |
| D. | Vitamins |
| Answer» B. Carbohydrates | |
| 62. |
The function of enzymes is the living system is to |
| A. | transport oxygen |
| B. | provide immunity |
| C. | catalyse bio-chemical reactions |
| D. | provide energy |
| Answer» D. provide energy | |
| 63. |
Protein is an important constituent of our diet. It functions mainly as |
| A. | a source of energy |
| B. | a construction material |
| C. | shock absorber |
| D. | reserve food |
| Answer» C. shock absorber | |
| 64. |
Yeast is |
| A. | bacteria |
| B. | antibiotic |
| C. | virus |
| D. | fungi |
| Answer» B. antibiotic | |
| 65. |
Biuret test is used for the detection of |
| A. | sugars |
| B. | fats |
| C. | proteins |
| D. | saturated oils |
| Answer» D. saturated oils | |
| 66. |
The human body does not produce |
| A. | vitamins |
| B. | enzymes |
| C. | proteins |
| D. | hormones |
| Answer» B. enzymes | |
| 67. |
The number of amino acids which form proteins in nature are about |
| A. | 6 |
| B. | 10 |
| C. | 15 |
| D. | 20 |
| Answer» E. | |
| 68. |
On hydrolysis proteins give |
| A. | nucleotides |
| B. | nucleosides |
| C. | amides |
| D. | amino acids |
| Answer» E. | |
| 69. |
Which one of the following contains cobalt ? |
| A. | Chlorophyll |
| B. | Haemoglobin |
| C. | Vitamin C |
| D. | Vitamin B |
| E. | <sub>12</sub> |
| Answer» E. <sub>12</sub> | |
| 70. |
Which of the following has magnesium ? |
| A. | Carbonic anhydrase |
| B. | Vitamin B |
| C. | <sub>12</sub> |
| D. | Chlorophyll |
| E. | Heamocyanine |
| Answer» D. Chlorophyll | |
| 71. |
The energy stored in the cells of a living body is in the form of |
| A. | fats |
| B. | glucose |
| C. | ATP |
| D. | Proteins |
| Answer» D. Proteins | |
| 72. |
Charring of sugar is due to |
| A. | oxidation |
| B. | reduction |
| C. | dehydration |
| D. | reduction and hydration |
| Answer» D. reduction and hydration | |
| 73. |
Which of the following have coiled helical structure ? |
| A. | Proteins |
| B. | Lipids |
| C. | Carbohydrated |
| D. | Vitamins |
| Answer» B. Lipids | |
| 74. |
Which has the maximum protein ? |
| A. | groundnut |
| B. | cow-milk |
| C. | egg |
| D. | wheat |
| Answer» B. cow-milk | |
| 75. |
The most important energy carrier in the living cell is |
| A. | AMP |
| B. | ADP |
| C. | UDP |
| D. | ATP |
| Answer» E. | |
| 76. |
Hydrolysis of cane sugar is called |
| A. | saponification |
| B. | hydration |
| C. | inversion |
| D. | esterification |
| Answer» D. esterification | |
| 77. |
Which one among the following is the sweetest natural sugar ? |
| A. | Glucose |
| B. | Fructose |
| C. | Lactose |
| D. | Sucrose |
| Answer» D. Sucrose | |
| 78. |
Which of the following base is found only in RNA and not in DNA ? |
| A. | thymine |
| B. | guanine |
| C. | uracil |
| D. | adenine |
| Answer» D. adenine | |
| 79. |
Which of the following is found in cod liver oil ? |
| A. | Vitamin C |
| B. | Vitamin E |
| C. | Vitamin A |
| D. | Vitamin B |
| E. | <sub>1</sub> |
| Answer» D. Vitamin B | |
| 80. |
Calorific value is in the order of |
| A. | fats>carbohydrates>proteins |
| B. | carbohydrates>fats>proteins |
| C. | proteins>carbohydrates>fats |
| D. | fats>proteins>carbohydrates |
| Answer» B. carbohydrates>fats>proteins | |
| 81. |
Thymine is |
| A. | 5-methyl uracil |
| B. | 4-methyl uracil |
| C. | 3-methyl uracil |
| D. | 1-methyl uracil |
| Answer» B. 4-methyl uracil | |
| 82. |
Insulin regulates the metabolism of |
| A. | minerals |
| B. | amino acids |
| C. | glucose |
| D. | Vitamins |
| Answer» D. Vitamins | |
| 83. |
Which one of the following vitamins is essential for coagulation of blood ? |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | <sub>12</sub> |
| D. | Vitamin K |
| E. | Vitamin D |
| Answer» D. Vitamin K | |
| 84. |
Vitamin B |
| A. | Co |
| B. | Mn |
| C. | Mg |
| D. | Fe |
| Answer» B. Mn | |