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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.
| 51. |
Which of the following is a typical example of feedback inhibition ?A. cyanide action on cytochromeB. sulpha drug on folic acid synthesiser bacteriaC. allosteric inhibition of hexokinase by glucose-6-phosphateD. reaction between succinic dehydrogenase and succinate |
| Answer» Correct Answer - C | |
| 52. |
A peptide chain assumes secondary structure through the formation ofA. interchain ionic bondB. interchain hydrogen bondC. peptide chain with peptide bonds only is a secondary structure itselfD. None of the above |
| Answer» Correct Answer - B | |
| 53. |
Which one of the following is polysaccharide?A. GlycogenB. SucroseC. LactoseD. Maltose |
| Answer» Correct Answer - A | |
| 54. |
Lactose is a polysaccharide ofA. glucose and fuctoseB. glucose and glucoseC. glucose and galactoseD. galactose and galactose |
| Answer» Correct Answer - C | |
| 55. |
Levulose present in honey is aA. disaccharideB. glucoseC. fructoseD. pentose |
| Answer» Correct Answer - C | |
| 56. |
The DNA molecule is eukaryotes is associated withA. histonesB. protaminesC. Both (a) and (b)D. None of these |
| Answer» Correct Answer - C | |
| 57. |
Which of the following is a conjugated protein?A. MucinB. MHCC. ImmunoglobulinsD. All of these |
| Answer» Correct Answer - D | |
| 58. |
The contractile protein in the human body isA. actinB. myosinC. tubulinD. all of these |
| Answer» Correct Answer - D | |
| 59. |
Cellular micromolecules areA. amino acids, water, mirals, nucleotides and sugarB. glycogen, amino acids, minerals and nucleotidesC. water minerals, nucleic acids, amino acids and nucleotidesD. water minerals, nucleic acids, amino acids and nucleotides |
| Answer» Correct Answer - A | |
| 60. |
Induced fit hypothesis was proposed byA. Fischer EB. KoshlandC. BuchnerD. Kuhne |
| Answer» Correct Answer - B | |
| 61. |
An enzyme increases the rate of a reaction byA. supplying the energy requried to start the reactionB. increasing the rate of random collisions of moleculesC. removing the product of the reaction so allowing it to continueD. bringing the reacting molecules into precise orientation with each other |
| Answer» Correct Answer - D | |
| 62. |
The function of an enzyme is toA. cause chemical reactions, which would not occur otherwiseB. change the rates of chemical reactionsC. control the equilibrium points of reactionsD. chang the direction of reactions |
| Answer» Correct Answer - B | |
| 63. |
Doctors recommend sunflower oil as it is richA. source of vitaminsB. in unsaturated fatty acidC. in energy and reduce weightD. in saturated fatty acid |
| Answer» Correct Answer - B | |
| 64. |
Hydrolases are involved in the hydrolysis ofA. estersB. lipidsC. proteinsD. all of these |
| Answer» Correct Answer - D | |
| 65. |
The high-energy bonds of ATP are betweenA. C-OB. O-PC. C-ND. C-C |
| Answer» Correct Answer - B | |
| 66. |
Match the following column A. A-4,B-1,C-3,D-2B. A-4,B-3,C-1,D-2C. A-2,B-5,C-3,D-1D. |
| Answer» Correct Answer - B | |
| 67. |
Match the follwing column .A. A-1,B-2,C-3,D-4B. A-1,B-3,C-2,D-4C. A-4,B-3,C-2,D-1D. A-4,B-1,C-2,D-3 |
| Answer» Correct Answer - C | |
| 68. |
Which of the following statements regarding fats is trueA. Arachidonic acid has 20 carbons excluding the carbonyl carbonB. glycerol is trihydroxy propaneC. palmitic acid has 18 carbons including the carboxyl carbonD. Oils have higher melting point than fats |
| Answer» Correct Answer - B | |
| 69. |
`K_(m)` value refers toA. maximum reaction velocityB. near maximum reaction velocityC. one half of the maximum reaction velocityD. threshold value |
| Answer» Correct Answer - C | |
| 70. |
In competitive inhibtion, which of the following is true?A. `F+I hArrEI`B. `E+I hArr EI+S hArr EIS`C. `S+I hArr SI`D. `ES+I hArr ESI` |
| Answer» Correct Answer - A | |
| 71. |
Assertion- Sucrose is a non-reducing sugar. Reason- Sucrose does not have free -CHO group.A. Both assertion and reason are true and the reason is the correct explanation of assertionB. Both assertion and reason are true, but reason is not the correct explanation of assertion.C. assertion is true, but reason is falseD. assertion is false, but reason is true |
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Answer» Correct Answer - A Sucrose is a non-reducing sugar, because free -CHO group is not present in sucrose. |
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| 72. |
Reducing sugarA. can reduce `Cu^(2+)` to `Cu^(+)`B. have a free keto groupC. have a free aldehyde groupD. All of these |
| Answer» Correct Answer - D | |
| 73. |
Amino acids areA. leavorotatoryB. dextrorotatoryC. laevoratatory except glycine, which is non-rotatoryD. laevorotatory except glycine, which is a dextrorotatory |
| Answer» Correct Answer - C | |
| 74. |
Which of the following is not a sulphur containing amino acid?A. CysteineB. MethionineC. Both (a) and (b)D. Lysine |
| Answer» Correct Answer - D | |
| 75. |
Number of semi-essential amino acids isA. fourB. threeC. twoD. one |
| Answer» Correct Answer - C | |
| 76. |
Non-polar tails of lipids haveA. glycerolB. fatty acidsC. charged moleculesD. phosphate |
| Answer» Correct Answer - B | |
| 77. |
match the following columns. A. A-4,B-1,C-5,D-2,E-3B. A-5,B-1,C-4,D-2,E-3C. A-3,B-1,C-4,D-5,E-2D. A-2,B-1,C-4,D-5,E-3 |
| Answer» Correct Answer - D | |
| 78. |
The biomolecules are I. carbohydrates. II. Proteins. III. Lipid. IV. Mitochondria.A. I,II and IIIB. II and IIIC. only IID. All of these |
| Answer» Correct Answer - A | |
| 79. |
Which is not applicable to glycogenA. HomopolysaccharideB. HeteropolysaccharideC. Branched chain moleculeD. stored in liver and muscle |
| Answer» Correct Answer - B | |
| 80. |
Match the following columns. A. A-3,B-4,C-5,D-1,E-2B. A-2,B-1,C-4,D-5,E-2C. A-3,B-1,C-4,D-5,E-2D. A-1,B-4,C-3,D-5,E-2 |
| Answer» Correct Answer - C | |
| 81. |
Which one of the following natural polymers is found in both insects and fungiA. PectinB. ChitinC. celluloseD. suberin |
| Answer» Correct Answer - B | |
| 82. |
What is exhibited by lower km valueA. More affinity with substrateB. Less affinity with substrateC. More affinity with productD. Les affinity with product |
| Answer» Correct Answer - A | |
| 83. |
Match the following colum. A. A-3,B-4,C-2,D-1B. A-5,B-4,C-2,D-1C. A-3,B-4,C-2,D-5D. A-3,B-5,C-2,D-1 |
| Answer» Correct Answer - B | |
| 84. |
ATP is aA. nucleotideB. nucleosomeC. purine baseD. nucleoside |
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Answer» Correct Answer - A ATP is a nucleotide known as energy rich or high energy compound, because it exhibits a large decrease in force energy when undergoes hydrolysis. |
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| 85. |
An allosteric inhibitor of the enzyme acts by binding to theA. substrateB. productC. catalytic site of enzymeD. non-catalytic site of enzyme |
| Answer» Correct Answer - D | |
| 86. |
A polysachharide employed in tissue culture isA. celluloseB. starchC. glycogenD. agar-agar |
| Answer» Correct Answer - D | |
| 87. |
Quatermary structure is present inA. HaemoglobinB. histoneC. globulinD. elastin |
| Answer» Correct Answer - A | |
| 88. |
Glutamate pyruvate transaminiase enzyme is an example ofA. oxidoreductaseB. transferasesC. lyasesD. ligases |
| Answer» Correct Answer - B | |
| 89. |
Which of the following statement is incorrect?A. Enzymes hasten the completion of a reactionB. the two terms substrate and product signify the starting and ending meterials of a reactionC. enzymes are affected by the reactions they catalyseD. enzymes exhibit specificity for the reactions they catalyse |
| Answer» Correct Answer - C | |
| 90. |
non-reducing sugars haveA. free -CHO group and bound -CO groupB. free -CO group and bound -CHO groupC. Both -CO and -CHO free groupsD. neither free -CO nor free -CHO group |
| Answer» Correct Answer - D | |
| 91. |
Earliest known enzyme wasA. sucraseB. zymaseC. diastaseD. urease |
| Answer» Correct Answer - B | |
| 92. |
What will happen to an enzyme when apoenzyme is separated from cafactor?A. Activity will be increasedB. Activity will be lostC. Activity will be decreasedD. There will be no change in the activity |
| Answer» Correct Answer - A | |
| 93. |
The co-factor for carboxypeptidase enzyme isA. `Co`B. `Ni`C. `Mg`D. `Zn` |
| Answer» Correct Answer - D | |
| 94. |
Which of the following forms a part of a co-enzyme?A. ZincB. LipaseC. RiboflavinD. Lysine |
| Answer» Correct Answer - C | |
| 95. |
Coenzyme-A is derived fromA. thiaminB. riboflavinC. pantothenic acidD. biotin |
| Answer» Correct Answer - C | |
| 96. |
Cerebrosides areA. simple lipidsB. lipids, which are joined with galactoseC. lipids with phosphatesD. steroids |
| Answer» Correct Answer - B | |
| 97. |
An extra carboxylic group is present inA. aspartateB. tyrosineC. lysineD. phenylalanine |
| Answer» Correct Answer - A | |
| 98. |
Which of the following is a basic amino acid?A. leucineB. lysineC. methionineD. aspartic acid |
| Answer» Correct Answer - B | |
| 99. |
Assertion. A coenzyme or metal ion that is very tightly bound to enzyme protein called prosthetic group. Reason. A complete, catalytically active enzyme together with its bound prosthetic group is called apoenzyme.A. Both assertion and reason are true and the reason is the correct explanation of assertionB. Both assertion and reason are true, but reason is not the correct explanation of assertion.C. assertion is true, but reason is falseD. Both assertion and reason are false |
| Answer» Correct Answer - C | |
| 100. |
Hyluronic acid is a heteropolysachaside ofA. D-glucuronic acid and D-N-acetyl glucosamineB. D-glucuronic acid and N-acetyl muramic acidC. N-acetyl glucosamine and N-acetyl muramic acidD. Glucose and fructose |
| Answer» Correct Answer - A | |