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.
| 1851. |
Which of the following is not an antacid ?A. Aluminium hydroxideB. CimetidineC. PhenelzineD. Ranitidine |
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Answer» Correct Answer - C |
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| 1852. |
The formation of which of the following polymers involves hydrolysis reaction ?A. Nylon-6B. BakeliteC. Nylon-6,6D. Terylne |
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Answer» Correct Answer - A |
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| 1853. |
Match the polymers in Column `I` with their man uses in Column `II` and choose the correct answer : `{:(,"Column I",,"Column II"),("(A)","Polystyrene",1.,"Paints and lacqures"),("(B)","Glyptal",2.,"Raincoats"),("(C)","Polyvinyl chloride",3.,"Manufacture of toys"),("(D)","Bakelite",4.,"Computer discs"):}` Codes.A. `{:("A B C D"),("2 1 3 4"):}`B. `{:("A B C D"),("3 1 2 4"):}`C. `{:("A B C D"),("2 4 3 1"):}`D. `{:("A B C D"),("3 4 2 1"):}` |
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Answer» Correct Answer - B |
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| 1854. |
Many of the hydrolytic reaction areA. ReversibleB. IrreversibleC. EndothermicD. Exothermic |
| Answer» Correct Answer - A | |
| 1855. |
Ultraviolet light absorbed by nucleic acid isA. 26 nmB. 75 nmC. 260 nmD. 1500 nm |
| Answer» Correct Answer - C | |
| 1856. |
Assertion. Carboxypetidase is an exopeptidase. Reason. It cleaves the N-terminal bond.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - C | |
| 1857. |
Which of the following is correct?A. cycloheptane is an aromatic compoundB. diastase is an enzymeC. acetophenone is an etherD. all of these |
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Answer» Correct Answer - B Diastase s an enzyme. |
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| 1858. |
Which is correct statement?A. starch is a polymer of `alpha`-glucoseB. amylose is a component of celluloseC. proteins are compound of only one type of amino acidsD. in cyclic structure of fructose, there are four carbons and one oxygen atom. |
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Answer» Correct Answer - D Starch is a mixture of two polymers. It is not a single polymer, amylose is not a component of cellulose. It is a component of starch. There are nearly 20 different types of amino acids present in proteins. The furanose structure of fructose has four carbon atoms and one oxygen atom in the ring |
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| 1859. |
Glucose cannot be classified asA. carbohydratesB. hexoseC. aldoseD. oligosaccharide |
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Answer» Correct Answer - D |
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| 1860. |
Glucose cannot be classified as?A. HexoseB. CarbohydrateC. AldoseD. Oligo saccharide |
| Answer» Correct Answer - D | |
| 1861. |
Milk sugar is commoly known asA. MaltoseB. LactoseC. FructoseD. Glucose |
| Answer» Correct Answer - B | |
| 1862. |
Milk sugar is :(a) sucrose (b) lactose (c) maltose (d) glucose |
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Answer» Option : (b) lactose |
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| 1863. |
Haemoglobin is the example of -(a) simple protein(b) derived protein (c) fibrous protein (d) conjugated protein |
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Answer» Option : (d) conjugated protein |
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| 1864. |
Which of the following is NOT TRUE about glucose?(a) It is monosaccharide (b) It is a polyhydroxy aldehyde (c) It is polyhydroxy ketone (d) It contains six carbon atoms |
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Answer» Option : (c) It is polyhydroxy ketone |
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| 1865. |
Final hydrolysis product of simple protein is :(a) carboxylic acid (b) α-amino acid (c) mineral acid (d) acetic acid |
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Answer» Option : (b) α-amino acid |
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| 1866. |
The effectiveness of an enzyme is affected least byA. TemperatureB. Concentration of the substrateC. Original activation energy of the systemD. Concentration of the enzyme |
| Answer» Correct Answer - C | |
| 1867. |
Number of essential amino acids in human isA. 14B. 10C. 8D. 6 |
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Answer» Correct Answer - B (B) Number of essential amino acids in humans are 10 |
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| 1868. |
Which one is not a conenzyme ?A. `NAD^(+)`B. NADPHC. FADD. ATP |
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Answer» Correct Answer - D (D)ATP is not a coenzyme |
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| 1869. |
Write a note on Ribozyme. |
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Answer» Ribozyme – Non – Protein Enzyme. A Ribozyme, also called as catalytic RNA; is a ribonucleic acid that acts as enzyme. It is found in ribosomes. |
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| 1870. |
Which of the following is the simplest amino acidA. GlycineB. LysineC. TyrosineD. Aspartic acdi |
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Answer» Correct Answer - A (A) The simplest amino acid is glycine. |
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| 1871. |
Ribozyme isA. RNA with enzyme activityB. RNA without sugarC. RNA without phosphateD. RNA with extra phosphate |
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Answer» Correct Answer - A (A) Ribozyme is RNA with enzyme acitivity. |
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| 1872. |
In ATP, the high energy bond is the one which linksA. adenine with riboseB. adenine with phosphateC. phosphate to phosphateD. ribose with phosphate |
| Answer» Correct Answer - C | |
| 1873. |
Enzyme required for joining two molecules isA. LigasesB. TransferasesC. OxidoreductasesD. Lyases |
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Answer» Correct Answer - A (A) Enzymes joining two molecules by establishing covalent bond are ligases. |
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| 1874. |
An acidic amino acid isA. LysineB. GlutamateC. AspartateD. Both B and C |
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Answer» Correct Answer - D (D) An acidic amino acid is glutamate and asparate. |
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| 1875. |
In ATP high energy bond is presentA. Nucleoside and phosphate groupB. Sugar and phosphate groupC. Base and phosphate groupD. None of the above. |
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Answer» Correct Answer - D (D) In ATP, high energy bond is present between phosphate and phosphate |
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| 1876. |
The human body does not produce `:`A. hormonesB. enzymesC. DNAD. vitamins |
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Answer» Correct Answer - D Most of the vitamins cannot be synthesised by our body. Vitamin `D`, however, may either by supplied in the food or may be produced in the skin by irradiation of ergosterol with `UV`light.` |
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| 1877. |
Enzyme required for joining two molecules isA. LigasesB. LyaseC. PolymeraseD. Hydrolase |
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Answer» Correct Answer - A (A) Enzyme required for joining two molecules is ligase |
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| 1878. |
`K_(m)` value is dependent uponA. TemperatureB. Substrate concentrationC. Enzyme ConcentrationD. All of the above |
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Answer» Correct Answer - B (B) `K_(m)` value is dependent upon substrate concentration. |
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| 1879. |
Chitin is polymer ofA. N-acetyl muramic acidB. N- acetyl gluconic acidC. N-acetyl glucosamineD. None of the above. |
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Answer» Correct Answer - C (C ) Chitin is polymer of N-acetyl glucosamine |
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| 1880. |
Bond present between two residues of carbohydrate isA. AmideB. PhosphodiesterC. GlycosidicD. Hydrogen bonds |
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Answer» Correct Answer - C ( C) Bond present between two residues of carbohydrates is glycosidic. |
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| 1881. |
The vitamin which is water soluble ?A. vitamin `E`B. vitamin `D`C. vitamin `K`D. vitamin `B` |
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Answer» Correct Answer - C Vitamin `B` is soluble in water. |
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| 1882. |
`DNA` and `RNA` are chiral molecule due to the presence of:A. chiral basesB. phosphate ester unitC. D-sugar componentD. L-sugar component |
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Answer» Correct Answer - C `DNA` has `D (0)-2` deoxyribose and `RNA` has `(D)`-ribose, both are chiral. |
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| 1883. |
`DNA` and `RNA` are chiral molecule due to the presence of:A. chiral basesB. phosphate ester unitC. `D-`sugar componentD. `L-`sugar component |
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Answer» Correct Answer - C Sugar present in `DNA` is `2-`deoxy `D-(-)-`ribose and that in `RNA` is `D-(-)-`ribose, and both are chiral. |
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| 1884. |
In `DNA`, the complementary bases are:A. adenine and thymine, guanine and uracilB. adenine and guanine, thymine and cytosineC. uracil and adenine, cytosing and guanineD. adenine and thymine, guanine and cytosine |
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Answer» Correct Answer - D In `DNA`paring of complementary bases, `(i)` Thrymin `(T)` with Adenine `(A)` through two `H-` bonds and `(ii)` Cytosin `(C)` and Guanine `(G)` through three `H-` bonds. |
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| 1885. |
Macromolecule most common in plant cell walls isA. ProteinB. StarchC. ChlorophyllD. Cellulose |
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Answer» Correct Answer - D (D) The macromolecules most common in plant cell walls is cellulose. |
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| 1886. |
Which of the following hormones contains iodine ?A. TestosteroneB. AdrenalineC. ThyroxineD. Insulin |
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Answer» Correct Answer - C Thyroxine hormone contains iodine. |
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| 1887. |
The polymer containing strong intermolecular forces, e.g., hydrogen bonding is:A. teflonB. nylon-6,6C. polystyreneD. Natural Rubber |
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Answer» Correct Answer - B Nylon 6,6 has `- overset(overset(O)(||))(C)-NH-` group which forms intermolecular H-bonding. |
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| 1888. |
The two function groups present in a typical carbohydrate areA. `-OH` and `-COOH`B. `-CHO` and `-COOH`C. `gt C=O` and `-OH`D. `-OH` and `-CHO` |
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Answer» Correct Answer - C Both carbonyl `(gt C=O)` group and alcohol group are present in carbohydrates. |
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| 1889. |
The two functional groups present in a typical carbohydrate are :A. `-CHO` and `-COOH`B. `gt C=O` and `-OH`C. `-OH` and `-CHO`D. `-OH` and `-COOH` |
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Answer» Correct Answer - C In a typical carbohydrate `-CHO` and `-OH` groups are present. |
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| 1890. |
What are reducing sugars? |
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Answer» Carbohydrates which reduce Fehling’s solution to red p.pt of Cu2O or Tollen’s reagent to shining metallic Ag are called reducing sugars. All monosaccharides (both aldoses and ketoses) and disaccharides except sucrose are reducing sugars. |
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| 1891. |
Following are the structures of `D-(+)-` glucose and `D-(+)-` galactose: Which of the following statement is correct about these compounds? A. Both are components of lactoseB. They are diasteremersC. They are C -4 epimersD. All the above correct |
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Answer» Correct Answer - D Lactose is composed of `beta-D` - glucose and `beta - D`- glucose `D - (+) -` glucose and `D - (+) -` galactose are diasereomers as they are not mirror images of each other. They are epimers because they differ in their configuration only at one carbon atom, `C - 4`. |
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| 1892. |
Which of the following do not contain ester linkageA. lecithinB. oilsC. fatsD. cholesterol |
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Answer» Correct Answer - D |
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| 1893. |
Testosterone isA. animal steroidB. plant steroidC. ester of long chain fatty acidD. triolein |
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Answer» Correct Answer - A |
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| 1894. |
Which statements are correct about the reaction of maltose? A. Product (C ) is : B. Product (C ) is : C. Products (D) are : D. Products (D) are 2 mol `alpha`- and `beta`-D-glucose. |
| Answer» Correct Answer - A::D | |
| 1895. |
Which statements are correct about the reactions? D-Glucose `overset(NaCN//HCN)(rarr)`products.A. The C chain is increased by one C atom.B. Two isomeric productsm, cyanohydrin and its C-2 epimeric cyanohydrin are formed.C. Epimers formed in products are in unequal amounts.D. The presence of stereocentres in sugars cause their `(C=O)` groups to have diastereotopic faces that react at different rates, giving different amounts of diasteremers. |
| Answer» Correct Answer - A::B::C::D | |
| 1896. |
Which statements are correct about the reaction of lactose? A. The product (C ) is methyl-hepta-o-methyl- `beta`-D-galactopyranosyl-`beta`-D-glucopyranoside.B. The product © is methyl-octa-o-methyl-`beta`-D-galactopyranosyl-`beta`-D-glucopyranoside.C. Products (D) are : D. Products (D) are : |
| Answer» Correct Answer - A::C | |
| 1897. |
Which of the following pairs form same osazone?A. Glucose, FructoseB. Glucose, MannoseC. Ribose, ArabinoseD. Mannos4e, Fructose |
| Answer» Correct Answer - A::B::C::D | |
| 1898. |
Which statements are correct about sucrose?A. IUPAC name of sucrose is `alpha`-D-glucopyranosyl-`beta`-D-fructofuranside.B. IUPAC name of sucrose is `beta`-D-fructofuranosyl-`alpha`-D-glucopyranoside.C. It is hydrolysed both by emulsin and amylase.D. On hydrolysis, the solution is laevorotatory. |
| Answer» Correct Answer - A::B::C::D | |
| 1899. |
Which of the following pairs are `C-2` epimers?A. Allose, AltroseB. Glucose, MannoseC. Glucose, IndoseD. Galactose, Talose |
| Answer» Correct Answer - A::B::C::D | |
| 1900. |
Which of the following pairs are `C-2` epimers as well as enantiomers?A. D-Glyceraldehyde and L-GlyceraldehydeB. D-Erythrose and D-ThreoseC. D-Ribose and D-ArabinoseD. D-Xylose and D-Lyxose |
| Answer» Correct Answer - A | |