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. |
Use of artificial sweetener saccharin has been discontinued because it isA. CarcinogenicB. Liable to decompose in hot weather of tropicsC. Bitter in the beginningD. All the above. |
| Answer» Correct Answer - A | |
| 2. |
Which one is a cofactor of carbonic anhydrase ?A. FeB. ZnC. CuD. Mg. |
| Answer» Correct Answer - B | |
| 3. |
Which one is diaminodiacrboxlic amino acidA. CystineB. CysteineC. LysineD. Aspartic acid. |
| Answer» Correct Answer - A | |
| 4. |
An important step in the manufacture of pulp in paper industry from woody tissues of plants isA. Preparation of pure cellulose by removing ligninB. Treatment of weed with chemicals for breakdown of celluloseC. Removal of oil by suitable chemicalsD. Removal of water from wood by prolonged heating at `50^(@)`C. |
| Answer» Correct Answer - A | |
| 5. |
Single letter symbol F is used for the amino acidA. Phenylalanine (Phe)B. Proline (Pro)C. Tryptophan (Try)D. Methionine (Met). |
| Answer» Correct Answer - A | |
| 6. |
Element located in centre of porphyrin ring of chlorophyll isA. PotassiumB. ManganeseC. MagnesiumD. Calcium. |
| Answer» Correct Answer - C | |
| 7. |
A amino acid without asymmetrical carbon atom isA. HistidineB. ThreonineC. PhenylalanineD. Glycine. |
| Answer» Correct Answer - D | |
| 8. |
Amino acids not synthesised in our body areA. Non-essentialB. EssentialC. Non-proteinaceousD. Deaminated. |
| Answer» Correct Answer - B | |
| 9. |
The sugar present in `DNA` is :A. DextroseB. LevuloseC. GlucoseD. Deoxyribose. |
| Answer» Correct Answer - D | |
| 10. |
Key and lock hypothesis of enzyme action was given byA. FischerB. KoshlandC. BuchnerD. Kuhene. |
| Answer» Correct Answer - A | |
| 11. |
Cyclic AMP idA. Adenosine 1-3 monophosphateB. Adenosine 2-4 monophosphateC. Adenosine 3-5 monophosphateD. Adenosine 1-5 monophosphate |
| Answer» Correct Answer - C | |
| 12. |
Formation of a peptide bond involvesA. Two amino acidsB. Two monosaccharidesC. A condensation reactionD. Both A and C. |
| Answer» Correct Answer - D | |
| 13. |
Which one is made of a single ring of atoms ?A. GuanineB. AdenineC. ThymineD. Glycine. |
| Answer» Correct Answer - C | |
| 14. |
Lecithin is aA. SteroidB. GlycolipidC. CarbohydratesD. Phospholipid. |
| Answer» Correct Answer - D | |
| 15. |
Adenine,pentose sugar and phosphate interact to formA. AdenosineB. Adenylic acidC. Adenosine diphosphateD. Adenine triphosphate. |
| Answer» Correct Answer - B | |
| 16. |
The given organic compound is a diagrammatic representation of `:` A. Lecithin - Phos[horylated glyceride found in cell membraneB. AdenosineC. Adenylic acidD. Uridine |
| Answer» Correct Answer - C | |
| 17. |
Adenylic acid is a `//` an `:`A. Nitrogen baseB. NucleosideC. NucleotideD. Amino acid. |
| Answer» Correct Answer - C | |
| 18. |
Which one is simple proteinA. AlbuminB. NucleoproteinC. LipoproteinD. Glycoprotein. |
| Answer» Correct Answer - A | |
| 19. |
The bond present between `AMP+P_(i)" and "ADP+P_(i)` areA. Phosphoester bondsB. Phosphoanhydride bondsC. Phosphodiester bondsD. Covalent bonds. |
| Answer» Correct Answer - B | |
| 20. |
ATP = ADP ~ P hypothesis was givan by Lipman inA. 1940B. 1950C. 1960D. 1970 |
| Answer» Correct Answer - A | |
| 21. |
Hexokinase (Glucose + ATP `rarr` Glucose 6-P +ADP) belongs to the categoryA. TransferaseB. LysasesC. OxidoreductasesD. Transaminase. |
| Answer» Correct Answer - A | |
| 22. |
A nitrogenous base is linked to the pentose sugar through `:`A. Hydrogen bondB. Glycosidic bondsC. Phosphodiester bondD. Peptide bonds. |
| Answer» Correct Answer - B | |
| 23. |
Which of the following biomolecules does have phosphodiester bondA. Fatty acid in a diglycerideB. Monosaccharidws in polysaccharideC. Amino acids in polypeptideD. Nucleotides in nucleic acid. |
| Answer» Correct Answer - D | |
| 24. |
Which is not a hydrolase?A. ProteaseB. DehydrogenaseC. SucraseD. Amylase. |
| Answer» Correct Answer - B | |
| 25. |
The essential chemical components of many coenzymes areA. VitaminsB. proteinsC. Nucleic acidsD. Carbohydrates. |
| Answer» Correct Answer - A | |
| 26. |
Which is correct for ADPA. One high energy bondB. Two high energy bondC. Three high energy bondsD. None of the above. |
| Answer» Correct Answer - A | |
| 27. |
Given below is the chemical formula of `CH_(3)(CH_(2))_(14)-overset(O)overset(||)(C)-OH`A. Palmitic acidB. Stearic acidC. GlycerolD. Galactose. |
| Answer» Correct Answer - A | |
| 28. |
How many phosphodiester bonds are there in ATPA. 3B. 2C. 1D. 0 |
| Answer» Correct Answer - D | |
| 29. |
ATP was discovered byA. LipmannB. LohmannC. BlackmanD. Bowman. |
| Answer» Correct Answer - B | |
| 30. |
The form in which sugar is present in sugarcaneA. maltoseB. SucroseC. FructoseD. Glucose. |
| Answer» Correct Answer - B | |
| 31. |
Amount of energy released during hydrolysis of a high energy bond of ATP isA. 686000 cal/molB. 73000 cal/molC. 800 cal/molD. 7300 cal/mol. |
| Answer» Correct Answer - D | |
| 32. |
Little quantity influences the rate of chemical reactionA. HormoneB. EnzymeC. CatalystD. Alkaloids. |
| Answer» Correct Answer - B | |
| 33. |
In ATP high energy bond occurs betweenA. Phosphate and phosphateB. Ribose and PhosphateC. Adenine and phosphateD. Adenine and ribose. |
| Answer» Correct Answer - A | |
| 34. |
A high fever is dangerous to human body because itA. Denatures enzymesB. Inactivates enzymesC. Coagalates bloodD. Boils fluids inside body. |
| Answer» Correct Answer - A | |
| 35. |
Most of hydrolytic reactions areA. ExothermicB. EndothermicC. IrreversibleD. Reversible . |
| Answer» Correct Answer - D | |
| 36. |
A substance unrelated to substrate reversibly changes the activith of an enzyme. It isA. Competitive inhibitorB. Allosteric subunitC. Allosteric modulatorD. None of the above. |
| Answer» Correct Answer - C | |
| 37. |
Km value is related toA. ChromatographyB. ES complexC. ABO complexD. Morphometry. |
| Answer» Correct Answer - B | |
| 38. |
In competitive inhibitionA. Inhibitor binds to active siteB. Feed back operatesC. Allosteric mechanism is involvedD. All the above. |
| Answer» Correct Answer - A | |
| 39. |
Non-competitive inhibition often results inA. Change in enzyme structureB. Blocking of active siteC. Non-synthesis of enzymesD. Non-aviaility of cofactore. |
| Answer» Correct Answer - A | |
| 40. |
An example of feedback inhibition isA. Allosteric inhibition of hexokinase by glucoes 6-phosphateB. Cyanide action on cyanide action on cytochromeC. Sulpha drug on folic acid synthesis in bacteriaD. Reaction between succinic dehydrofenase and succinic acid. |
| Answer» Correct Answer - A | |
| 41. |
Feedback inhibition of an enzyme is influenced byA. EnzymeB. External factorsC. End productD. Substrate. |
| Answer» Correct Answer - C | |
| 42. |
An example of non-competitive inhibition isA. Inhibition of succinic acid by malonateB. Cyanide action on folic acid synthesising bacteriaC. Inhibitionof hexolinase by glucose 6-phosphateD. Reaction of succinic acid dehydrongenase. |
| Answer» Correct Answer - B | |
| 43. |
Content of unsaturated fatty acids linolenic acid is highest inA. Sunflower oilB. Cotton seed oilC. Groundnut oilD. Coconut oil. |
| Answer» Correct Answer - A | |
| 44. |
Product of an enzyme catalysed reaction can act as an inhibition of the reaction. It isA. Feedback inhibitionB. RepressionC. Non-competitive inhibitionD. Competitive inhibition. |
| Answer» Correct Answer - A | |
| 45. |
Linoleic is unsaturate fatty acid whose content is highest inA. Cotton oilB. Sunflower oilC. Coconut oilD. Groundnut oil. |
| Answer» Correct Answer - B | |
| 46. |
Which one of the following combination of all three fatty acids are essential for human beingsA. Oleic acid, linoleic acid and linolenic acidB. Palmitic acid, linoleic acid and linolenic acidC. Oleic acid, linoleic acid and arachidonic acidD. Linoleic acid, linolenic acid and arachidonic acid. |
| Answer» Correct Answer - D | |
| 47. |
Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (A-E) make it useful as a storage material (A) Easily translocated (B) Chemically non-reactive (C) Easily digested by animals (D) Osmotically inactive (E) Synthesized during photosynthesis The useful proeprties ar :A. 1,3,5B. 1 and 5C. 2 and 3D. 2 and 4. |
| Answer» Correct Answer - D | |
| 48. |
Which secondary metabolite is a drugA. VinblastineB. AbrinC. RicinD. Carotenoids |
| Answer» Correct Answer - A | |
| 49. |
Osmotically inactive chief stored material in animal body isA. ProteinB. PhosphogenC. LipidD. Glycogen. |
| Answer» Correct Answer - D | |
| 50. |
Which fatty acid is liquid at room temperatureA. Palmitic acidB. Stearic acidC. Arachidic acidD. Linoleic acid. |
| Answer» Correct Answer - D | |