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.
| 2751. |
Oxytocin isA. an antibodyB. an enzymeC. none of theseD. a hormone |
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Answer» Correct Answer - D Oxytocin is a hormone |
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| 2752. |
Oxytocin isA. an antibodyB. a hormoneC. an enzymeD. none of these |
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Answer» Correct Answer - B Oxytocin is nano peptide hormone. |
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| 2753. |
Saponification of coconut oil yields glycerol andA. palmitic acidB. sodium palmitateC. oleic acidD. stearic acid |
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Answer» Correct Answer - B Coconut oil mainly cosisits of glyceryl tripalnitrate and hence it will give sodium palmination of hydrolysis with NaOH. |
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| 2754. |
Saliva containsA. Amylases or ptyalinsB. trypsinC. bile fluidD. vitamins |
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Answer» Correct Answer - A Saliva contains amylases and ptyalins. |
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| 2755. |
Ascorbic acid is vitaminA. vitamin `B_(6)`B. vitamin AC. vitamin CD. vitamin D |
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Answer» Correct Answer - C Ascorbic acid is vitamin -D |
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| 2756. |
Deficiency of vitamin C/Ascorbic acid causesA. scurvyB. ricketsC. pyrooheaD. pemicious anaemia. |
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Answer» Correct Answer - A Scurvy is caused by the defficiency of vitamin C |
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| 2757. |
Ascorbic acid is vitaminA. Vitamin DB. Vitamin AC. Vitamin CD. vitamin `B_(6)` |
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Answer» Correct Answer - C Ascorbic acid is the chemical name of vitamin C |
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| 2758. |
The main structural feature of proteins is:A. peptide linkageB. ester linkageC. ether linkageD. all of these |
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Answer» Correct Answer - A |
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| 2759. |
Which of the following enzyme can form RNA fron DNAA. Restriction enzymeB. DNA polymeraseC. RNA polymeraseD. Reverse transcriptase |
| Answer» Correct Answer - C | |
| 2760. |
The digestion of fats in the intestines is aided byA. DiffusionB. protectionC. peptizationD. emulsification |
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Answer» Correct Answer - D The digestion of fats in the intestines is aided by emulsification. |
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| 2761. |
Eezyme trypsin convertsA. proteins into `alpha`-amino acidsB. starch inot sugarC. glucose into sugarD. `alpha`-amino acids into proteins |
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Answer» Correct Answer - A Enzymes trypsin converts proteins into a -amino acids. |
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| 2762. |
Which of the following enzyme has/have haem as a prosthetic group (i) Catalase (ii) Carboxypeptidase (iii) Succinic dehydrogenase (iv) PeroxidaseA. a and dB. a onlyC. a and bD. b and c |
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Answer» Correct Answer - A (A) Enzymes with heme as prosthetic group are Catalase and Peroxidase. |
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| 2763. |
Inhibitory effect of melonic acid on succinic dehydrogenase enzyme isA. Competitive inhibitionB. Non-competitive inhibitionC. Feedback inhibitionD. Inhibition hue to end product |
| Answer» Correct Answer - A | |
| 2764. |
Prosthetic group of a glycoprotein consist ofA. LipidsB. Nucleic acidC. Metal ionsD. Carbohydrates |
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Answer» Correct Answer - D (D) Prosthetic group of a glycoprotein consists of carbohydrates. |
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| 2765. |
Prosthetic group of a glycoprotein consist ofA. nucleic acidB. phospheric acidC. lipidD. carbohydrate |
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Answer» Correct Answer - D the proshetic group present in glycoproteins is a carbohydrate group. |
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| 2766. |
Globular protein is present in :A. bloodB. milkC. eggsD. cellulose |
| Answer» Correct Answer - A::B::C | |
| 2767. |
Which of the following is globular protein ?A. CollagenB. HeamoglobinC. MyosinD. Fibroin |
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Answer» Correct Answer - B |
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| 2768. |
Which of the following is not globular protein?A. keratinB. haemoglobinC. insulinD. thyroglobulin |
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Answer» Correct Answer - A |
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| 2769. |
Which one of the following statements about amino acids is not trueA. They are present in all proteinB. Most naturally occurring amino acid have D-configurationC. They are characterized by isoelectric pointD. Glycine is the only naturally occurring `alpha`-amine acid which is achiral |
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Answer» Correct Answer - B |
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| 2770. |
Which of the following is used in our body as a fuel for muscles and nerves and to build and repair body tissues?(a) Cane sugar (b) Fructose (c) Proteins (d) Glucose |
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Answer» (c) Proteins |
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| 2771. |
Glucose isA. aldose hexose sugarB. ketose hexose sugarC. pyranose pentose sugarD. furanose pentose sugar |
| Answer» Correct Answer - A | |
| 2772. |
Which of the following is not an oligosaccharide ?A. ChitinB. MaltoseC. SucroseD. Lactose |
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Answer» Correct Answer - A (A) chitin is a Polysaccharides |
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| 2773. |
Which of the following is an oligosaccharide?A. GlyceraldehydeB. glycogenC. LactoseD. Maltose |
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Answer» Correct Answer - C Oligosaccharides are short polymers of two to ten simple sugar units. Lactose is a disaccharide |
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| 2774. |
Which of the following is not an oligosaccharide ?A. InulinB. MaltoseC. SucroseD. Raffinose |
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Answer» Correct Answer - A (A) Insulin is a Polysaccharides |
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| 2775. |
Which of the following is a coenzyme?A. `Fe^(++)`B. MucusC. `NAD^(+)`D. Lyase |
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Answer» Correct Answer - C (C) `NAD^(+)` is a coenzyme |
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| 2776. |
Which of the following is the earliest discovered amino acid ?A. GlycineB. MethionineC. PhenylalanineD. Asparagine |
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Answer» Correct Answer - D (D) Asparagine is the earliest discovered amino acid. |
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| 2777. |
Earliest known enzyme wasA. sucraseB. zymasesC. diastaseD. ureases |
| Answer» Correct Answer - B | |
| 2778. |
In B-DNA, the rise per base pair would beA. 0.34 nmB. 3.4 nmC. 34nmD. 34Å |
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Answer» Correct Answer - A (A) In B-DNA, the rise per base pair would be 0.34 nm (or 34Å) |
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| 2779. |
Glycogen is a homonpolymer made up ofA. glucose unitsB. galactose unitsC. ribose unitsD. amino acids. |
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Answer» Correct Answer - A Glycogen is a branched polymer of glucose. It is readily soluble in water. It consists of `alpha-D` glucose units , mostly linked by 1-4 glycosidic linkage, and is highly branched via frequent 1-6 linkages. |
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| 2780. |
Where is the store of glycogen found in the body ? |
| Answer» Liver cells and muscle cells. | |
| 2781. |
Consider the following compounds. (I) Glycine (II) Sulphanilic acid (III) Anthranilic acid Which can form dipolar (Zwitter) ion?A. I and IIB. I, II and IIIC. II and IIID. I and III |
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Answer» Correct Answer - B All of the given because of the presence of acidic `(-COOH or -SO_(3) H)` group and basic `-NH_(2)` group can exist in Zwitter ionic form. |
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| 2782. |
The pair in which both the species have iron is:A. Nitrogenase, cytochromesB. Carboxypeptidase, haemoglobinC. Haemoglobin, nitrogenaseD. Haemoglobin, cytochromes |
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Answer» Correct Answer - D Haemoglobin and cytochoromes are both conjugated protiens containning Fe (heme) as the prosthetic group. |
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| 2783. |
Lysine is least soluble in water in the `Ph` rangeA. 3 to 4B. 5 to 6C. 6 to 7D. 8 to 9 |
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Answer» Correct Answer - D Any amino acid has its lowest solubility on its isoelecronic point and the isoelectric point is the `pH` AT WHICH THE AMINO ACID CARRIES NO CHARGE. |
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| 2784. |
Lysine is least soluble in water in the `pH` range:A. 3 to 4B. 5 to 6C. 6 to 7D. 8 to 9 |
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Answer» Correct Answer - D Lysine is a basic amino acid, hence its pI isoelectric point) lies in the basic range (8 to 9). At pI, amino acid has least solubility in water and this property is exploited in the separation of diggerent amino acids obtained from the hydrolysis of protein. |
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| 2785. |
Lysine is least soluble in water in the `pH` range.A. 3 to 4B. 5 to 6C. 6 to 7D. 8 to 9 |
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Answer» Correct Answer - D Lysine is a basic amino acid and , therefore, its isoelectric point lies in the basic range 8-9 . At the isoelectric point, an amino acid has the lowest solubility. |
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| 2786. |
Which of the following carbohydrate is an essential constituent of plant cell?A. starchB. celluloseC. maltoseD. sucrose |
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Answer» Correct Answer - B Plant cell walls are made of cellulose - acarbohydrate. |
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| 2787. |
products of proteins catabolism areA. `NH_(3) ,CO_(2) and ` ueraB. Urea ,`CO_(2) and NH`C. Urea `,NH_(3) and ` uric acidD. Urea ,`NH_(3)` alanine and creatine |
| Answer» Correct Answer - A | |
| 2788. |
Which of the following is the sweetest sugar?A. lactoseB. fructoseC. glucoseD. sucrose |
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Answer» Correct Answer - B Fructose is sweeter than lactose, glucose and sucrose. |
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| 2789. |
Catabolism refers toA. break down of complex molecules in living oranismB. synthesis of complex moleculesC. both synthesis as well as break down of complex moleculesD. |
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Answer» Correct Answer - A Catabolism is the break down of complex molecules in living organism. |
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| 2790. |
The number of tripeptides formed by three different amino acids is:A. threeB. fourC. fiveD. six |
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Answer» Correct Answer - D Let Ala, gly and Phe be the three `alpha`amino acids they will form the following six tripeptides. (i) Ala-Gly-Gly (ii) Gly-Ala -Phe (iii) Phe-Ala-Gly (iv) Ala-Phe-Gly (v) Gly-Phe -Ala (vi) Phe-Gly-Ala. |
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| 2791. |
The end product of protein digestion is :A. peptidesB. peptonesC. protonsD. `alpha`-amino acids |
| Answer» Correct Answer - D | |
| 2792. |
The given diagram shows the nitrogenous bases. Identify the correct combination A. A = Guanine, B = UracilB. A = Adenine, B = UracilC. A = Guanine, B = ThymineD. A = Adenine, B = Thymine |
| Answer» Correct Answer - B | |
| 2793. |
Last product of protein digestion isA. polypeptidesB. DNAC. Amino acidsD. peptones |
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Answer» Correct Answer - C Last product of proteins digestion is amino acids |
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| 2794. |
Nucleic acids were discovered by Or ltBrgt DNA was first discovered byA. Watson and CrickB. KhoranaC. WilkinsD. Miescher |
| Answer» Correct Answer - D | |
| 2795. |
Which base is not present in nucleic acids?A. cytosineB. AdenineC. ThymineD. Guanidine |
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Answer» Correct Answer - D Guanidine is not rpesent in nuceloic of acids |
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| 2796. |
Which base is not found in DNA ?A. adenineB. guanineC. uracilD. cytosine |
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Answer» Correct Answer - C Uracil is not present in DNA. |
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| 2797. |
Which of the following statements is incorrect ?A. Amylose is insoluble in water.B. Fructose is reducing sugar.C. Cellulose is the polymer of D-glucose.D. D-Ribose sugar is present in DNA. |
| Answer» Correct Answer - D | |
| 2798. |
The difference between amylose and amylopectin isA. Amylopectin has `1 rarr 4 alpha` - linkage and `1 rarr 6 alpha` - linkageB. Amylose has `1 rarr 4 alpha` - linkage and `1 rarr 6 beta` - linkageC. Amylopectin has `1 rarr 4 alpha` - linkage and `1 rarr 6 beta` - linkageD. Amylose is made up of glucose and galactose. |
| Answer» Correct Answer - A | |
| 2799. |
Amylose and amylopectin are costituent ofA. `alpha`-D-fructoseB. `alpha`-D-glucoseC. `beta`-D-fructoseD. `alpha`-D-fructose |
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Answer» Correct Answer - B |
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| 2800. |
In starch molecule `alpha`-D-glucose molecule consist ofA. amylose and agarB. amylopectin and agarC. amylose and amylopectinD. amylose and cellobiose |
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Answer» Correct Answer - C |
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