MCQOPTIONS
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MCQOPTIONS
This section includes 30 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the time since and diverged evolutionarily |
| A. | there has been little change in either genome |
| B. | has acquired many genes via horizontal transfer |
| C. | has lost approximately 50% of its genome |
| D. | none of these |
| Answer» D. none of these | |
| 2. |
Which of the following theory is supported by the genomic sequence of the obligate intracellular parasite ? |
| A. | Parasitic bacteria have very large genomes |
| B. | Parasites have a definite genomic sequence similar to viruses |
| C. | Mitochondria have evolved from endosymbiotic bacteria |
| D. | All bacteria evolved from viruses |
| Answer» D. All bacteria evolved from viruses | |
| 3. |
The physical nature of genomes is studied under |
| A. | structural genomics |
| B. | comparative genomics |
| C. | proteo genomics |
| D. | functional genomics |
| Answer» B. comparative genomics | |
| 4. |
Why the bacterium is difficult to culture? |
| A. | Because it requires a great deal of water to reproduce |
| B. | Because it is unable to use carbohydrates as an energy source |
| C. | Because it lacks the genes needed for TCA cycle and oxidative phosphorylation |
| D. | Because it requires extremely low temperature at which water freezes |
| Answer» D. Because it requires extremely low temperature at which water freezes | |
| 5. |
The flow of genetic material in microbial cells usually takes place from |
| A. | RNA through DNA to proteins |
| B. | proteins through RNA to DNA |
| C. | DNA through RNA to proteins |
| D. | none of these |
| Answer» D. none of these | |
| 6. |
Which of the following is used for determining the location of specific genes within the genome? |
| A. | Genomics |
| B. | Annotation |
| C. | Cloning |
| D. | Proteomics |
| Answer» C. Cloning | |
| 7. |
Proteomics is |
| A. | the study of algal genomes |
| B. | a branch of quantum physics dealing with proteins |
| C. | the study of formation of lipo-protein in animals |
| D. | the study of the entire collection of proteins expressed by an organism |
| Answer» E. | |
| 8. |
Which of the following is concerned with the management and analysis of biological data using computers? |
| A. | Bio-physics |
| B. | Bioinformatics |
| C. | Genomics |
| D. | Biomechanics |
| Answer» C. Genomics | |
| 9. |
Why is able to survive massive exposure to radiation? |
| A. | Because it produces a thick shell which acts as a shield from the radiation |
| B. | Because it has unique DNA repair mechanisms |
| C. | Because its cellwall contains radioactive elements |
| D. | Because it has many copies of genes encoding DNA repair |
| Answer» E. | |
| 10. |
What is the range of minimum set of genes required for life? |
| A. | 50-100 genes |
| B. | 250-350 genes |
| C. | 1000-1500 genes |
| D. | 1500-2000 genes |
| Answer» C. 1000-1500 genes | |
| 11. |
Which of the following is the study of the molecular organization of genomes, their information content and the gene products they encode? |
| A. | Genetics |
| B. | Ergonomics |
| C. | Genomics |
| D. | Bioinformatics |
| Answer» D. Bioinformatics | |
| 12. |
The word, used for the small solid supports onto which are spotted hundreds of thousands of tiny drops of DNA that can be used to screen gene expression, is |
| A. | southern blot |
| B. | cloning library |
| C. | DNA microarrays |
| D. | northern blot |
| Answer» D. northern blot | |
| 13. |
Which of the following organisms has the smallest genome? |
| A. | None of these |
| Answer» C. | |
| 14. |
Studies of similarities and differences among the genomes of multiple organisms is carried out in |
| A. | comparative genomics |
| B. | proteomics |
| C. | functional genomics |
| D. | structural genomics |
| Answer» B. proteomics | |
| 15. |
Which type of genomics studies the transcripts and proteins expressed by a genome? |
| A. | Comparative genomics |
| B. | Structural genomics |
| C. | Proteo genomics |
| D. | Functional genomics |
| Answer» E. | |
| 16. |
Which of the following theory is supported by the genomic sequence of the obligate intracellular parasite Rickettsia prowazekii ? |
| A. | Parasitic bacteria have very large genomes |
| B. | Parasites have a definite genomic sequence similar to viruses |
| C. | Mitochondria have evolved from endosymbiotic bacteria |
| D. | All bacteria evolved from viruses |
| Answer» D. All bacteria evolved from viruses | |
| 17. |
The flow of genetic material in microbial cells usually takes place from |
| A. | RNA through DNA to proteins |
| B. | proteins through RNA to DNA |
| C. | DNA through RNA to proteins |
| D. | none of these |
| Answer» D. none of these | |
| 18. |
Which of the following is used for determining the location of specific genes within the genome? |
| A. | Genomics |
| B. | Annotation |
| C. | Cloning |
| D. | Proteomics |
| Answer» C. Cloning | |
| 19. |
Proteomics is |
| A. | the study of algal genomes |
| B. | a branch of quantum physics dealing with proteins |
| C. | the study of formation of lipo-protein in animals |
| D. | the study of the entire collection of proteins expressed by an organism |
| Answer» E. | |
| 20. |
Which of the following is concerned with the management and analysis of biological data using computers? |
| A. | Bio-physics |
| B. | Bioinformatics |
| C. | Genomics |
| D. | Biomechanics |
| Answer» C. Genomics | |
| 21. |
Why Deinococcus radiodurans is able to survive massive exposure to radiation? |
| A. | Because it produces a thick shell which acts as a shield from the radiation |
| B. | Because it has unique DNA repair mechanisms |
| C. | Because its cellwall contains radioactive elements |
| D. | Because it has many copies of genes encoding DNA repair |
| Answer» E. | |
| 22. |
Which of the following is the study of the molecular organization of genomes, their information content and the gene products they encode? |
| A. | Genetics |
| B. | Ergonomics |
| C. | Genomics |
| D. | Bioinformatics |
| Answer» D. Bioinformatics | |
| 23. |
The word, used for the small solid supports onto which are spotted hundreds of thousands of tiny drops of DNA that can be used to screen gene expression, is |
| A. | southern blot |
| B. | cloning library |
| C. | DNA microarrays |
| D. | northern blot |
| Answer» D. northern blot | |
| 24. |
Which of the following organisms has the smallest genome? |
| A. | <i>H. influenzae</i> |
| B. | <i>M. genitalium</i> |
| C. | <i>M. tuberculosis</i> |
| D. | None of these |
| Answer» C. <i>M. tuberculosis</i> | |
| 25. |
Studies of similarities and differences among the genomes of multiple organisms is carried out in |
| A. | comparative genomics |
| B. | proteomics |
| C. | functional genomics |
| D. | structural genomics |
| Answer» B. proteomics | |
| 26. |
The physical nature of genomes is studied under |
| A. | structural genomics |
| B. | comparative genomics |
| C. | proteo genomics |
| D. | functional genomics |
| Answer» B. comparative genomics | |
| 27. |
Why the bacterium Treponema pallidum is difficult to culture? |
| A. | Because it requires a great deal of water to reproduce |
| B. | Because it is unable to use carbohydrates as an energy source |
| C. | Because it lacks the genes needed for TCA cycle and oxidative phosphorylation |
| D. | Because it requires extremely low temperature at which water freezes |
| Answer» D. Because it requires extremely low temperature at which water freezes | |
| 28. |
The species of bacteria, which possesses 250 genes for lipid biosynthesis is |
| A. | <i>M. genitalium</i> |
| B. | <i>M. tuberculosis</i> |
| C. | <i>E. coli</i> |
| D. | <i>H. influenzae</i> |
| Answer» C. <i>E. coli</i> | |
| 29. |
Which type of genomics studies the transcripts and proteins expressed by a genome? |
| A. | Comparative genomics |
| B. | Structural genomics |
| C. | Proteo genomics |
| D. | Functional genomics |
| Answer» E. | |
| 30. |
What is the range of minimum set of genes required for life? |
| A. | 50-100 genes |
| B. | 250-350 genes |
| C. | 1000-1500 genes |
| D. | 1500-2000 genes |
| Answer» C. 1000-1500 genes | |