McqMate
Chapters
| 1. |
Which of the following cell organelle is stored the information of synthesize Proteins? |
| A. | Mitochondria |
| B. | Nucleus |
| C. | Chloroplast |
| D. | Cell membrane |
| Answer» B. Nucleus | |
| 2. |
Which of following elements are stored the information of Proteins? |
| A. | Lipid |
| B. | Polysaccharide |
| C. | Amino acid |
| D. | Nucleic acid |
| Answer» D. Nucleic acid | |
| 3. |
Find out the Miss matched pairs: |
| A. | Protein – important compounds of nucleus |
| B. | Nucleic acid – major components of chromosomes |
| C. | Amino acid – an amphoteric compound |
| D. | Enzymes – Colloidal catalysts |
| Answer» A. Protein – important compounds of nucleus | |
| 4. |
Which of the following are linked together to form Proteins ? |
| A. | Phosphate |
| B. | Nitrogen base |
| C. | Sugar |
| D. | Amino acids |
| Answer» D. Amino acids | |
| 5. |
Which one of the following is incorrect for Protein: |
| A. | They transport some nutrients across cell membrane |
| B. | They are heteropolymer of amino acids |
| C. | They possess C, H, O, N and P in their constitution |
| D. | They are very important compounds of cytoplasm |
| Answer» C. They possess C, H, O, N and P in their constitution | |
| 6. |
Total numbers of amino acids are involved in protein synthesis in Plants: |
| A. | 10 |
| B. | 22 |
| C. | 13 |
| D. | 20 |
| Answer» D. 20 | |
| 7. |
Which one is the most abundant protein in the animal world? |
| A. | Collagen |
| B. | keratin |
| C. | RUBISCO |
| D. | Hemoglobin |
| Answer» A. Collagen | |
| 8. |
Full form of RUBISCO is: |
| A. | Ribulose Bisulphate Carboxylase Oxygenare |
| B. | Ribuose Biphosphate Carboxylase Oxygenare |
| C. | Ribuose Bisulphate Carboxylase Oxygenare |
| D. | Ribulose Biphosphate Carboxylase Oxygenare |
| Answer» D. Ribulose Biphosphate Carboxylase Oxygenare | |
| 9. |
Match the items in column – I with appropriate items in column – II and pick up correct ans
|
| A. | iii ii iv i |
| B. | iii iv ii i |
| C. | iv I iii ii |
| D. | I ii iv iii |
| Answer» A. iii ii iv i | |
| 10. |
Polypeptide chain of amino acid is: |
| A. | Nucleic acid |
| B. | Glycogen |
| C. | Protein |
| D. | Cellulose |
| Answer» C. Protein | |
| 11. |
At high temperature proteins are: |
| A. | Destroyed |
| B. | inactive |
| C. | denatured |
| D. | a or b |
| Answer» D. a or b | |
| 12. |
The structure of protein can be destroyed by which rays |
| A. | Ultra violet rays |
| B. | Infra red rays |
| C. | Radio waves |
| D. | Micro waves |
| Answer» A. Ultra violet rays | |
| 13. |
Amino acid is an amphoteric compound because: |
| A. | It contains an amino group and a carboxyl group |
| B. | It contains an amino group and a functional group |
| C. | It contains a functional group and a carboxyl group |
| D. | It contains one H and a-R group |
| Answer» A. It contains an amino group and a carboxyl group | |
| 14. |
The unique property of each amino acid is determined by its particular: |
| A. | –COOH group |
| B. | –NH2 group |
| C. | –R group |
| D. | peptide bond |
| Answer» C. –R group | |
| 15. |
Which of the following is the most widely classification method of amino acid: |
| A. | Whittaker method |
| B. | Linnaeus method |
| C. | Ernest chain method |
| D. | Lehninger method |
| Answer» D. Lehninger method | |
| 16. |
Which one is the correct group of amino acids with polar and negatively Charged –R group? |
| A. | Glutamate, Tyrosine |
| B. | Argentine, Lysine |
| C. | Tryptophan, Proline |
| D. | Glutamate, Aspartic acid |
| Answer» D. Glutamate, Aspartic acid | |
| 17. |
Find out the one group of amino acids which are related with each other: |
| A. | Valine, Histidine |
| B. | Serine, Tyrosine |
| C. | Glutamate, Proline |
| D. | Lysine, Laucine |
| Answer» B. Serine, Tyrosine | |
| 18. |
Aspartic acid and lysine are linkage each other with which bond: |
| A. | Ester bond |
| B. | Glycoside bond |
| C. | Phosphodiaster bond |
| D. | Peptide bond |
| Answer» D. Peptide bond | |
| 19. |
Match column – I and column –II and select the correct option:
|
| A. | iii iv ii i |
| B. | ii I iv iii |
| C. | I iv ii iii |
| D. | iii ii iv i |
| Answer» A. iii iv ii i | |
| 20. |
Amino acids are attached each other with which bond? |
| A. | Ester bonds |
| B. | Hydrogen bonds |
| C. | Sulphur bonds |
| D. | peptide bonds |
| Answer» D. peptide bonds | |
| 21. |
Dipeptide means: |
| A. | Two similar amino acids attached by peptide bond |
| B. | Two dissimilar amino acids attached by peptide bond |
| C. | Two similar or dissimilar amino acids attached by peptide bond |
| D. | Two similar or dissimilar proteins attached by peptide bond |
| Answer» C. Two similar or dissimilar amino acids attached by peptide bond | |
| 22. |
Which macromolecule is the most diverse in cell and controlling biochemical Properties? |
| A. | Polynucleotide |
| B. | Polysaccharide |
| C. | Polypeptide |
| D. | polysomes |
| Answer» C. Polypeptide | |
| 23. |
The primary structure of proteins is due to |
| A. | Ionic bonds |
| B. | Peptide bonds |
| C. | Hydrogen bond |
| D. | S-S Linkages |
| Answer» B. Peptide bonds | |
| 24. |
Proteins means |
| A. | Micromolecule |
| B. | Macromolecule |
| C. | Soluble |
| D. | Colloidal |
| Answer» B. Macromolecule | |
| 25. |
The structure of protein can be denatured by |
| A. | At high temperature |
| B. | In dilute solution of acid |
| C. | In the presence of CO2 |
| D. | a, b, c all |
| Answer» A. At high temperature | |
| 26. |
Polypeptide means: |
| A. | A polypeptide chain is formed by more than two nucleotides |
| B. | A polypeptide chains is formed by more than two amino acids |
| C. | A polypeptide chains is formed by many similar amino acids |
| D. | A polypeptide chain is formed by many similar nucleotides |
| Answer» B. A polypeptide chains is formed by more than two amino acids | |
| 27. |
Which bimolecular fights against infectious organisms? |
| A. | Lipid |
| B. | Nucleic acid |
| C. | Protein |
| D. | Enzyme |
| Answer» C. Protein | |
| 28. |
Which one of the following is an amphoteric compound? |
| A. | Fatty acid |
| B. | Glutamic acid |
| C. | Nucleic acid |
| D. | Cellulose |
| Answer» B. Glutamic acid | |
| 29. |
Proteins Consist which one of the following |
| A. | One polypeptide |
| B. | One polypeptide chain |
| C. | One or more polypeptide chain |
| D. | One and other – chain |
| Answer» C. One or more polypeptide chain | |
| 30. |
Which one of the following statement about amino acid is incorrect? |
| A. | They are classified on the basis of the ‘R’ group |
| B. | The structure of almost all amino acids are similar except their ‘R’ group |
| C. | All protein molecules are a heteropolymer of amino acid |
| D. | They are very important compounds of cytoplasm |
| Answer» D. They are very important compounds of cytoplasm | |
| 31. |
Which of the following process is formed by – COOH linked to – NH2 (peptide bond) |
| A. | Hydrogenation |
| B. | Dehydrogenation |
| C. | Reduction |
| D. | Oxidation |
| Answer» B. Dehydrogenation | |
| 32. |
End of every polypeptide chain is known as: |
| A. | Template |
| B. | Signal |
| C. | Antenna |
| D. | Terminal |
| Answer» D. Terminal | |
| 33. |
Which are the terminals of polypeptide chain? |
| A. | ‘R’ and ‘N’ terminal |
| B. | ‘P’ and ‘R’ terminal |
| C. | ‘H’ and ‘N’ terminal |
| D. | ‘N’ and ‘C’ terminal |
| Answer» D. ‘N’ and ‘C’ terminal | |
| 34. |
The secondary structure of protein means |
| A. | The flat and sheet like polypeptide chain |
| B. | The helically coilde like polypeptide chain |
| C. | The folding of polypeptide chain due to the presence of hydrogen bond |
| D. | a, b, c all |
| Answer» D. a, b, c all | |
| 35. |
Which of the following is correct for the quaternary structure of protein? |
| A. | It represents a three dimensional form of whole protein |
| B. | It forms with interaction between different polypeptide Chain. |
| C. | a and b both |
| D. | It forms the three dimensional arrangement of the atoms within a single polypeptide chain |
| Answer» C. a and b both | |
| 36. |
Which is the correct option for the following diagram? |
| A. | Fibrous protein |
| B. | Globular protein |
| C. | Polypeptide chain |
| D. | Three dimensional form of protein |
| Answer» C. Polypeptide chain | |
| 37. |
What –‘X’ indicates in the given figure? |
| A. | N-terminal |
| B. | P-terminal |
| C. | C-terminal |
| D. | H-terminal |
| Answer» C. C-terminal | |
| 38. |
What is the shape of the three dimensional structure of protein? |
| A. | Flat sheet like |
| B. | Globular |
| C. | Fibrous |
| D. | b or c |
| Answer» D. b or c | |
| 39. |
Which of the following bond groups are involved in the formation of quaternary Protein? |
| A. | Peptide bond, covalent bond |
| B. | Disulphide bond, Ionic bond |
| C. | Easter bond, phosphodiester bond |
| D. | b and c both |
| Answer» B. Disulphide bond, Ionic bond | |
| 40. |
Which one is not correct for hemoglobin? |
| A. | It is known as conjugated protein |
| B. | It is the combination 0f 2- α and 2-β chain |
| C. | It is a protein which imparts color to the body |
| D. | It is molecule which contains four hacme groups. |
| Answer» C. It is a protein which imparts color to the body | |
| 41. |
Find out the miss matched pair |
| A. | Melanin-imparts color to the body |
| B. | Hemoglobin – transport of oxygen |
| C. | Chlorophyll – must for photosynthesis |
| D. | Immunoglobulin- responsible for movements of body |
| Answer» D. Immunoglobulin- responsible for movements of body | |
| 42. |
Which of the following statement is incorrect about lmmunoglobulin? |
| A. | It has the property of immunity |
| B. | It consist of more than one polypeptide chain |
| C. | It present in blood cell |
| D. | b and c both |
| Answer» C. It present in blood cell | |
| 43. |
What does the following diagram show? |
| A. | Quaternary structure of protein |
| B. | polypeptide chain |
| C. | Molecule structure of protein |
| D. | Secondary structure of protein |
| Answer» B. polypeptide chain | |
| 44. |
The classification of the protein in two types depends on |
| A. | Structure and function |
| B. | Types of amino acid |
| C. | Numbers of amino acid |
| D. | none above |
| Answer» A. Structure and function | |
| 45. |
Nuclein separated in to which components? |
| A. | Protein + chromosome |
| B. | Protein + Nucleic acid |
| C. | Nucleic acid + nitrogen base |
| D. | Nuceicoside + Nucleotide |
| Answer» B. Protein + Nucleic acid | |
| 46. |
Which one of the following is the major component of chromosome? |
| A. | Nucleic acid |
| B. | Protein |
| C. | Nitrogen base |
| D. | Lipid |
| Answer» A. Nucleic acid | |
| 47. |
Nucleic acid contains which group of molecules in their constitution? |
| A. | C, H, N and S |
| B. | C, H, O, N and S |
| C. | C, H, N, O, and P |
| D. | C, H, N and O |
| Answer» C. C, H, N, O, and P | |
| 48. |
Nucleic acids means |
| A. | A major components of chromosomes |
| B. | Polynucleotide of structural units known as nucleotides |
| C. | Small gene carrying bodies in the nuclei of complex cells |
| D. | Both a & b |
| Answer» D. Both a & b | |
| 49. |
Which are the structural units of DNA? |
| A. | Nitrogen base |
| B. | Pentose sugar |
| C. | nucleotide |
| D. | phosphoric acid |
| Answer» C. nucleotide | |
| 50. |
Which one group is the subunit of nucleotide? |
| A. | Pentose sugar, nitrogen |
| B. | Purina, pyrimidine, phosphorus |
| C. | Nitrogen base, sugar |
| D. | pentose sugar, Nitrogen base , phosphoric acid |
| Answer» D. pentose sugar, Nitrogen base , phosphoric acid | |
| 51. |
Which of the following will be characteristically different in different living organism? |
| A. | Protein |
| B. | Nucleic acid |
| C. | Enzyme |
| D. | Carbohydrate |
| Answer» B. Nucleic acid | |
| 52. |
Which one is not a polymer? |
| A. | ATP |
| B. | Hemoglobin |
| C. | Nucleotide |
| D. | Enzyme |
| Answer» C. Nucleotide | |
| 53. |
The illustration given below is which nitrogen base: |
| A. | Uracil |
| B. | Cytosine |
| C. | Thymine |
| D. | Ribose |
| Answer» C. Thymine | |
| 54. |
The illustration given below is which nitrogen base: |
| A. | Guanine |
| B. | Cytosine |
| C. | Uracil |
| D. | Adenine |
| Answer» D. Adenine | |
| 55. |
The following diagram represents the nitrogenous bases of nucleic acid Molecules Identify the correct combination: |
| A. | A= Guanine , B= Uracil |
| B. | A= Adenine , B= Thymine |
| C. | A= Cytosine , B= Adenine |
| D. | A= thymine , B= Guanine |
| Answer» A. A= Guanine , B= Uracil | |
| 56. |
What is Ribonucleoside? |
| A. | Ribose + Nucleic acid |
| B. | Ribose + Nitrogen base |
| C. | Ribose + Phosphate |
| D. | Ribose + Adenine |
| Answer» B. Ribose + Nitrogen base | |
| 57. |
What ‘A’ and ‘B’ indicates in the given diagram? |
| A. | A= CH2OH, B= OH |
| B. | A= CH2OH, B= H |
| C. | A= CH, B= OH |
| D. | CH2, B= H |
| Answer» D. CH2, B= H | |
| 58. |
Which two sequential carbon number of nucleotides join through phosphodiaster bond? |
| A. | 3 and 5 |
| B. | 1 and 4 |
| C. | 1 and 6 |
| D. | 2 and 5 |
| Answer» A. 3 and 5 | |
| 59. |
What is Guanine? |
| A. | Purine |
| B. | Hormone |
| C. | Enzyme |
| D. | Pyrimidine |
| Answer» A. Purine | |
| 60. |
Ribonucleoside formed from ribonucleotide while:- |
| A. | It made from sugar |
| B. | It made from nitrogen base |
| C. | It made from phosphate |
| D. | a, b, c all above |
| Answer» C. It made from phosphate | |
| 61. |
DNA is localized in which cell organelle? |
| A. | Vacuoles |
| B. | Lysosomes |
| C. | Golgi apparatus |
| D. | Nucleus, mitochondria, chloroplast |
| Answer» D. Nucleus, mitochondria, chloroplast | |
| 62. |
A DNA stand is directly involved in the synthesis of all the following except – |
| A. | Another DNA Stand |
| B. | t- RNA |
| C. | m-RNA |
| D. | Protein |
| Answer» D. Protein | |
| 63. |
Nucleic acids were discovered by whom? |
| A. | Crick |
| B. | Wilkinson |
| C. | meischer |
| D. | Watson |
| Answer» C. meischer | |
| 64. |
Nucleic acids are related with which activity? |
| A. | Digestion |
| B. | Respiration |
| C. | Reproduction |
| D. | Heredity |
| Answer» D. Heredity | |
| 65. |
What ‘A’ and ‘B’ indicates in the given structure? |
| A. | A= CH2, B= N |
| B. | A= (>C=0), B= NH |
| C. | A= NH, B= NH |
| D. | A=NH2, B=NH |
| Answer» D. A=NH2, B=NH | |
| 66. |
Chemically DNA differs from RNA by: |
| A. | Thymine and deoxyribose present in DNA and Uracil and ribose in RNA |
| B. | Uracil and deoxyribose in DNA and thymine and ribose in RNA |
| C. | Deoxyribose in DNA and ribose in RNA |
| D. | Two nucleotide in DNA and one nucleotide in RNA |
| Answer» A. Thymine and deoxyribose present in DNA and Uracil and ribose in RNA | |
| 67. |
Nucleic acids are polymers of which molecules? |
| A. | Nucleosides |
| B. | Nucleotides |
| C. | Polypeptides |
| D. | polysomes |
| Answer» B. Nucleotides | |
| 68. |
A molecule of ATP is structurally most similar to a molecule of? |
| A. | RNA |
| B. | Protein |
| C. | Lipid |
| D. | Amino acid |
| Answer» A. RNA | |
| 69. |
Which is the site of protein synthesis? |
| A. | Chromosomes |
| B. | DNA |
| C. | Polysomes |
| D. | Tonoplast |
| Answer» C. Polysomes | |
| 70. |
Select the specific base pairs of DNA: |
| A. | Adenine and Cytosine |
| B. | Guanine and Adenine |
| C. | Adenine and Thymine |
| D. | Guanine and Uracil |
| Answer» C. Adenine and Thymine | |
| 71. |
The DNA stands are antiparallel because of: |
| A. | Ester bond |
| B. | Phosphodiester bond |
| C. | Disulphide bond |
| D. | Hydrogen bond |
| Answer» B. Phosphodiester bond | |
| 72. |
The distance between two chains of DNA molecules is: |
| A. | 34 A° |
| B. | 20 A° |
| C. | 3.4 A° |
| D. | 10 A° |
| Answer» B. 20 A° | |
| 73. |
The length of one complete spiral of DNA is: |
| A. | 34 A° |
| B. | 3.4 A° |
| C. | 20 A° |
| D. | 340 A° |
| Answer» A. 34 A° | |
| 74. |
Which one of the following bases is found only in RNA and not in DNA? |
| A. | Guanine |
| B. | Adenine |
| C. | Uracil |
| D. | Thymine |
| Answer» C. Uracil | |
| 75. |
The scientists who discovered the structure of DNA molecule |
| A. | Miller and mandal |
| B. | Khorana and Nirenberg |
| C. | Calvin and Wilkinson |
| D. | Waston and Crick |
| Answer» D. Waston and Crick | |
| 76. |
Mention the example of dinuclotide in the given structure. |
| A. | RNA with UA |
| B. | RNA with CG |
| C. | DNA with TA |
| D. | DNA with CG |
| Answer» A. RNA with UA | |
| 77. |
The structure of DNA like a spiral ladder because |
| A. | Purine and Pyrimidine are on the opposite side |
| B. | Purine and Pyrimidine linked with hydrogen bond |
| C. | All nucleotides join through a phosphodiester bond |
| D. | Two polynucleotide chains arranged parallel to each other and are spirally Twisted |
| Answer» D. Two polynucleotide chains arranged parallel to each other and are spirally Twisted | |
| 78. |
The hydrogen bonds between adenine and guanine are |
| A. | 2 |
| B. | 3 |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 79. |
Which of the following is correct? |
| A. | A=T |
| B. | C=G |
| C. | G=A |
| D. | A=C |
| Answer» A. A=T | |
| 80. |
Nitrogen bases do not contain |
| A. | Phosphorus |
| B. | Nitrogen |
| C. | Hydrogen |
| D. | Carbon |
| Answer» A. Phosphorus | |
| 81. |
Which one is two ringed nitrogenous base? |
| A. | Thymine |
| B. | Adenine |
| C. | Cytosine |
| D. | Uracil |
| Answer» B. Adenine | |
| 82. |
Which of the following ratio is constant in the DNA of all the species? |
| A. | A+U / T+C |
| B. | A+G/ C+T |
| C. | A+C / T+G |
| D. | A+T / C+G |
| Answer» D. A+T / C+G | |
| 83. |
m-RNA is the polymer of |
| A. | Ribonucleotide |
| B. | Ribonucleoside |
| C. | Deoxyribonucleotide |
| D. | Ribosome |
| Answer» A. Ribonucleotide | |
| 84. |
Which of the following is incorrect? |
| A. | m-RNA is degreased after its function is over |
| B. | t-RNA are synthesized by m-RNA |
| C. | r-RNA is localized in the ribosome |
| D. | m-RNA carries genetic code in to cytoplasm |
| Answer» B. t-RNA are synthesized by m-RNA | |
| 85. |
Which is longest of all RNA? |
| A. | m-RNA |
| B. | t-RNA |
| C. | r-RNA |
| D. | None above |
| Answer» A. m-RNA | |
| 86. |
The common instant source of energy of cellular activities is |
| A. | Mitochondria |
| B. | DNA |
| C. | RNA |
| D. | ATP |
| Answer» D. ATP | |
| 87. |
Which one is known as adapter molecule? |
| A. | DNA |
| B. | m-RNA |
| C. | t-RNA |
| D. | r-RNA |
| Answer» C. t-RNA | |
| 88. |
The RNA transporting amino acid to the protein synthesizing site known as |
| A. | t-RNA |
| B. | r-RNA |
| C. | m-RNA |
| D. | Any one of a, b, c |
| Answer» A. t-RNA | |
| 89. |
Match the column and find out the correct combination
|
| A. | P-v, Q-iii, R-ii, S-i, T-iv |
| B. | P-v, Q-iii, R-iv, S-I, T-ii |
| C. | P-iii, Q-v, R-i, S- ii, T-iv |
| D. | P-v, Q-i, R-ii, S-iii, T-iv |
| Answer» A. P-v, Q-iii, R-ii, S-i, T-iv | |
| 90. |
Which is the special function of t-RNA? |
| A. | Pick up code for m-RNA and bring it to r-RNA |
| B. | Do protein synthesis |
| C. | Carries the coded genetic information in to the cytoplasm |
| D. | An adapter for attaching amino acid to m-RNA template during Protein synthesis |
| Answer» D. An adapter for attaching amino acid to m-RNA template during Protein synthesis | |
| 91. |
Which are proportionally more compounds in all RNA’s? |
| A. | m-RNA |
| B. | t-RNA |
| C. | r-RNA |
| D. | a, b, c all |
| Answer» C. r-RNA | |
| 92. |
Which is the part of DNA molecules that varies among DNA molecule |
| A. | Pentose sugar |
| B. | nitrogen base |
| C. | phosphate |
| D. | a & b both |
| Answer» B. nitrogen base | |
| 93. |
which kind of arrangement lies in the two polynucleotide chain of DNA? |
| A. | Antiparallel and complementary |
| B. | parallel and complementary |
| C. | Independent |
| D. | None above |
| Answer» A. Antiparallel and complementary | |
| 94. |
If the one base chain sequence of DNA is ACGTTGG then what will be the base Sequence of opposite chain |
| A. | TGCAACC |
| B. | GTAGGAA |
| C. | CATGGTT |
| D. | TAGCCGG |
| Answer» A. TGCAACC | |
| 95. |
What is ATP? |
| A. | Pentose sugar + adenine + 3 molecule phosphate |
| B. | Hexose sugar + adenine + 3 molecule phosphate |
| C. | Amino acid + adenine + 3 molecule phosphate |
| D. | a or b both |
| Answer» A. Pentose sugar + adenine + 3 molecule phosphate | |
| 96. |
What is enzyme? |
| A. | All proteins which are in all living cell |
| B. | Chemicals which act as biological catalysts |
| C. | All amino acid which are in polypeptide chain |
| D. | All above |
| Answer» B. Chemicals which act as biological catalysts | |
| 97. |
Which of the following is not true for enzyme |
| A. | Water soluble and colloidal in nature |
| B. | Lowers the activation energy level |
| C. | Used up in the biochemical reaction |
| D. | Affected by the change in temperature |
| Answer» C. Used up in the biochemical reaction | |
| 98. |
What is Ribozymes? |
| A. | Only nucleic acids |
| B. | ony protein |
| C. | Some nucleic acids that behave like enzyme |
| D. | M ore than one Ribosome |
| Answer» C. Some nucleic acids that behave like enzyme | |
| 99. |
Enzymes are present in which parts of plant? |
| A. | Only in leaves |
| B. | Only in fruits |
| C. | In apical meristem of root and shoot |
| D. | in all the living cell of plant body |
| Answer» D. in all the living cell of plant body | |
| 100. |
What is an apoenzyme? |
| A. | Protein |
| B. | Amino acid |
| C. | metallic ions |
| D. | Carbohydrates |
| Answer» A. Protein | |
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