MCQOPTIONS
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MCQOPTIONS
This section includes 73 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which of the following is also known as invert sugar? |
| A. | Sucrose |
| B. | Fructose |
| C. | Dextrose |
| D. | Glucose |
| Answer» B. Fructose | |
| 52. |
Which of the following glycosidic linkage found in maltose? |
| A. | Glucose (α-1 – 2β) Fructose |
| B. | Glucose (α1 – 4) Glucose |
| C. | Galactose (β1 – 4) Glucose |
| D. | Glucose (β1 – 4) Glucose |
| Answer» C. Galactose (β1 – 4) Glucose | |
| 53. |
What is the name of the drug which inhibits Na+/K+ pump across the cell membrane? |
| A. | Taxol |
| B. | Vinblastine |
| C. | Quinone |
| D. | Ouabain |
| Answer» E. | |
| 54. |
Which class of carbohydrates is considered as non-sugar? |
| A. | Monosaccharides |
| B. | Disaccharides |
| C. | Polysaccharides |
| D. | Oligosaccharides |
| Answer» D. Oligosaccharides | |
| 55. |
Humans are unable to digest |
| A. | complex carbohydrates |
| B. | starch |
| C. | cellulose |
| D. | denatured proteins |
| Answer» D. denatured proteins | |
| 56. |
Fructose is metabolized by |
| A. | fructose 6-phosphate pathway |
| B. | fructose 1-phosphate pathway |
| C. | both ( and ( |
| D. | glyceraldehyde 3-phosphate pathway |
| Answer» D. glyceraldehyde 3-phosphate pathway | |
| 57. |
Gluconeogenesis requires a higher amount of ATP equivalents as compared to that produced by glycolysis because |
| A. | glycolysis releases energy as heat |
| B. | gluconeogenesis releases energy as heat |
| C. | all of the above |
| D. | glycolysis occurs in the mitochondria while gluconeogenesis occurs in the cytosol |
| Answer» B. gluconeogenesis releases energy as heat | |
| 58. |
The production or break down of __________ is often coupled with the metabolic reactions of biosynthesis and catabolism. |
| A. | DNA |
| B. | aspirin |
| C. | CO2 |
| D. | ATP |
| Answer» E. | |
| 59. |
The main site for gluconeogenesis is |
| A. | liver |
| B. | kidney |
| C. | muscle |
| D. | brain |
| Answer» B. kidney | |
| 60. |
Which of the following is carried out when cAMP functions as a second messenger? |
| A. | Activates all cytosolic protein kinases |
| B. | Acts second in importance to AMP |
| C. | Acts outside the cell to influence cellular processes |
| D. | Activates the cAMP-dependent protein kinase |
| Answer» E. | |
| 61. |
The cells dependent solely on glucose as an energy source are |
| A. | brain cells |
| B. | muscle cells |
| C. | liver cells |
| D. | kidney cells |
| Answer» B. muscle cells | |
| 62. |
How many ATP equivalents per mole of glucose input are required for gluconeogenesis? |
| A. | 6 |
| B. | 2 |
| C. | 5 |
| D. | 8 |
| Answer» B. 2 | |
| 63. |
WHICH_OF_THE_FOLLOWING_GLYCOSIDIC_LINKAGE_FOUND_IN_MALTOSE??$ |
| A. | Glucose (α-1 – 2β) Fructose |
| B. | Glucose (α1 – 4) Glucose |
| C. | Galactose (β1 – 4) Glucose |
| D. | Glucose (β1 – 4) Glucose |
| Answer» C. Galactose (‚âà√≠‚Äö√¢¬ß1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 4) Glucose | |
| 64. |
Name the major storage form of carbohydrates in animals?$ |
| A. | Cellulose |
| B. | Chitin |
| C. | Glycogen |
| D. | Starch |
| Answer» D. Starch | |
| 65. |
Which_of_the_following_is_also_known_as_invert_sugar?$ |
| A. | Sucrose |
| B. | Fructose |
| C. | Dextrose |
| D. | Glucose |
| Answer» B. Fructose | |
| 66. |
Which of the following amino sugar are present in the bacterial cell wall? |
| A. | N-acetylmuramic acid |
| B. | Sialic acid |
| C. | Aminoglycoside |
| D. | Azide |
| Answer» B. Sialic acid | |
| 67. |
Mark the INCORRECT statement about sugar alcohol? |
| A. | Addition of -itol as a suffix |
| B. | A linear molecule that cannot cyclize |
| C. | Carbonyl groups reduced to a hydroxyl group |
| D. | Terminal -OH group oxidizes |
| Answer» E. | |
| 68. |
What is the name of the drug which inhibits Na+/K+ pump across the cell membrane? |
| A. | Taxol |
| B. | Vinblastine |
| C. | Quinone |
| D. | Ouabain |
| Answer» E. | |
| 69. |
A molecule of amylopectin which contains 1500 glucose residues and is branched after every 30 residues. How many reducing ends are there? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 5 |
| Answer» C. 2 | |
| 70. |
Sugars which differs from each other only around single carbon atom is called epimer. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 71. |
Which class of carbohydrates is considered as non-sugar? |
| A. | Monosaccharides |
| B. | Disaccharides |
| C. | Polysaccharides |
| D. | Oligosaccharides |
| Answer» D. Oligosaccharides | |
| 72. |
Class of carbohydrate which cannot be hydrolyzed further, is known as? |
| A. | Disaccharides |
| B. | Polysaccharides |
| C. | Proteoglycan |
| D. | Monosaccharide |
| Answer» E. | |
| 73. |
Carbohydrates are also known as___________ |
| A. | Hydrates of carbon |
| B. | Carbonates |
| C. | Glycolipids |
| D. | Polysaccharides |
| Answer» B. Carbonates | |