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Biomolecules

59 questions · Chemistry · NEET
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Biomolecules

59 questions · Chemistry · NEET

  1. Sugar ' X ' A. is found in honey B. is a keto sugar C. exists in α and β-anomeric forms. D. Is laevorotatory. ' X ' is :2025 · Q110 · MCQ
  2. Match List-I with List-II. Choose the correct answer from the options given below: Includes table2025 · Q123 · MCQ
  3. The reagents with which glucose does not react to give the corresponding tests/products are A. Tollen's reagent B. Schiff's reagent C. HCN D. NH2​OH E. NaHSO3​ Choose the correct options from the given…2024 · Q126 · MCQ
  4. Fehling's solution 'A' is2024 · Q130 · MCQ
  5. Given below are two statements : Statement I : Glycogen is similar to amylose in its structure. Statement II : Glycogen is found in yeast and fungi also. In the light of the above statements, choose the correct answer from the options…2024 · Q133 · MCQ
  6. Given below are two statements: Statement I : A unit formed by the attachment of a base to 1' position of sugar is known as nucleoside Statement II : When nucleoside is linked to phosphorous acid at 5' position of sugar moiety, we get…2023 · Q102 · MCQ
  7. The incorrect statement about denaturation of proteins is :2022 · Q123 · MCQ
  8. The incorrect statement regarding enzymes is2022 · Q94 · MCQ
  9. Sucrose on hydrolysis gives :2020 · Q107 · MCQ
  10. Which of the following is a basic amino acid?2020 · Q85 · MCQ
  11. The non-essential amino acid among the following is :2019 · Q94 · MCQ
  12. The difference between amylose and amylopectin is2018 · Q96 · MCQ
  13. Which of the following compounds can form a zwitter ion?2018 · Q97 · MCQ
  14. Which of the following statements is not correct?2017 · Q87 · MCQ
  15. In a protein molecule various amino acids are linked together by2016 · Q85 · MCQ
  16. Which one given below is a non-reducing sugar?2016 · Q86 · MCQ
  17. The correct statement regarding RNA and DNA, respectively is2016 · Q92 · MCQ
  18. The central dogma of molecular genetics states that the genetic information flows from2016 · Q85 · MCQ
  19. The correct corresponding order of names of four aldoses with configuration given below respectively, is Includes diagram2016 · Q86 · MCQ
  20. Which of the following hormones is produced under the condition of stress which simulate glycogenlysis in the liver of human beings?2014 · Q88 · MCQ
  21. D(+)-glucose reacts with hydroxyl amine and yields an oxime. The structure of the oxime would be2014 · Q89 · MCQ
  22. In DNA, the linkages between different nitrogenous bases are2013 · Q86 · MCQ
  23. Deficiency of vitamin B1 causes the disease2012 · Q97 · MCQ
  24. Which one of the following sets of monosaccharides forms sucrose?2012 · Q98 · MCQ
  25. Which of the following is not a fat soluble vitamin?2011 · Q59 · MCQ
  26. Which of the statements about ''Denaturation'' given below are correct? (1) Denaturation of proteins causes loss of secondary and tertiary structures of the protein. (2) Denaturation leads to the conversion of double strand of DND into…2011 · Q68 · MCQ
  27. Which one of the following statements is not true regarding (+) lactose?2011 · Q90 · MCQ
  28. Fructose reduces Tollen's reagent due to2010 · Q57 · MCQ
  29. Which one of the following does not exhibit the phenomenon of mutaroation?2010 · Q102 · MCQ
  30. The segment of DNA which acts as the instrumental manual for the synthesis of the protein is2009 · Q94 · MCQ
  31. Which of the following hormones contains iodine?2009 · Q95 · MCQ
  32. In DNA, the complimentary bases are2008 · Q94 · MCQ
  33. Which of the following is an amine hormone?2008 · Q95 · MCQ
  34. Which of the following vitamins is water-soluble?2007 · Q81 · MCQ
  35. RNA and DNA are chiral molecules, their chirality is due to2007 · Q82 · MCQ
  36. Which one of the following is a peptide hormone?2006 · Q90 · MCQ
  37. The human body does not produce2006 · Q91 · MCQ
  38. During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process- are respectively Includes diagram2006 · Q92 · MCQ
  39. The cell membranes are mainly composed of2005 · Q86 · MCQ
  40. Which functional group participates in disulphide bond formation in proteins?2005 · Q87 · MCQ
  41. The correct statement in respect of protein haemoglobin is that it2004 · Q83 · MCQ
  42. Number of chiral carbons in β-D-(+) glucose is2004 · Q84 · MCQ
  43. A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?2004 · Q85 · MCQ
  44. The hormone that helps in the conversion of glucose to glycogen is2004 · Q86 · MCQ
  45. The helical structure of protein is stablised by2004 · Q87 · MCQ
  46. Which of the following structures represents the peptide chain?2004 · Q88 · MCQ
  47. Glycolysis is2003 · Q96 · MCQ
  48. Vitamin B12 contains2003 · Q97 · MCQ
  49. Chargaff's rule states that in an organism2003 · Q98 · MCQ
  50. Phospholipids are esters of glycerol with2003 · Q99 · MCQ
  51. Enzymes are made up of2002 · Q93 · MCQ
  52. Which is not true statement?2002 · Q94 · MCQ
  53. Which of the following is correct about H-bonding in nucleotide?2001 · Q91 · MCQ
  54. Which of the following is correct?2001 · Q92 · MCQ
  55. Which statement is incorrect about peptide bond? Includes diagram2001 · Q93 · MCQ
  56. Which is the correct statement?2001 · Q94 · MCQ
  57. α -D-glucose and β-D-glucose are2000 · Q90 · MCQ
  58. Mg is present in2000 · Q91 · MCQ
  59. Which one is responsible for production of energy in bio-reaction?2000 · Q92 · MCQ