 
			 
			MCQOPTIONS
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				This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. | What are bacteriocins? | 
| A. | proteins | 
| B. | toxins | 
| C. | plasmid | 
| D. | sex factor | 
| Answer» B. toxins | |
| 2. | What are bacteriocins? | 
| A. | proteins | 
| B. | toxins | 
| C. | plasmid | 
| D. | sex factor | 
| Answer» B. toxins | |
| 3. | The cell in which the F factor carries along with it some chromosomal genes are known as ____________ | 
| A. | F+ cell | 
| B. | F— cell | 
| C. | F’ cell | 
| D. | F’’’ cell | 
| Answer» D. F‚Äö√Ñ√∂‚àö√ë‚àö¬•‚Äö√Ñ√∂‚àö√ë‚àö¬•‚Äö√Ñ√∂‚àö√ë‚àö¬• cell | |
| 4. | The transfer of naked DNA from one cell to another is referred to as _______________ | 
| A. | Transduction | 
| B. | Lysogeny | 
| C. | Transformation | 
| D. | Conjugation | 
| Answer» D. Conjugation | |
| 5. | Which of the enzymes are used to cut the recipient DNA? | 
| A. | endonuclease | 
| B. | exonuclease | 
| C. | ligases | 
| D. | polymerase | 
| Answer» B. exonuclease | |
| 6. | Transfer of genes between cells that are in physical contact with one another is known as transformation. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 7. | Bacterial recombination causes transformation of the recipient cell to _______________ | 
| A. | donor cell | 
| B. | merozygote | 
| C. | zygote | 
| D. | recipient cell | 
| Answer» C. zygote | |
| 8. | Genetic recombination occurs between homologous chromosomes. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 9. | The transfer of genes from one cell to another by a bacteriophage is known as __________________ | 
| A. | Recombination | 
| B. | Conjugation | 
| C. | Transduction | 
| D. | Transformation | 
| Answer» D. Transformation | |