McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .
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 | |
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