MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of these statements is not true regarding inclusion bodies in prokaryotes? |
| A. | Reserve material is stored in these structures |
| B. | They are bound by a single membrane |
| C. | Gas vacuoles are found in blue-green bacteria |
| D. | They lie free in the cytoplasm |
| Answer» C. Gas vacuoles are found in blue-green bacteria | |
| 2. |
What are the subunits of prokaryotic ribosomes? |
| A. | 50S, 30S |
| B. | 60S, 40S |
| C. | 70S, 30S |
| D. | 60S, 30S |
| Answer» B. 60S, 40S | |
| 3. |
Which of these is not a surface structure in bacteria? |
| A. | Flagella |
| B. | Pili |
| C. | Mesosome |
| D. | Fimbriae |
| Answer» D. Fimbriae | |
| 4. |
Which of these structures is not a part of the bacterial flagella? |
| A. | Filament |
| B. | Basal Body |
| C. | Lamina |
| D. | Hook |
| Answer» D. Hook | |
| 5. |
Which of these bacteria have chromatophores? |
| A. | Escherichia |
| B. | Mycobacteria |
| C. | Mycoplasma |
| D. | Cyanobacteria |
| Answer» E. | |
| 6. |
Gram negative bacteria take up gram strain. True or false? |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
How many layers are present in the bacterial cell envelope? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 8. |
From which structure is a mesosome derived from? |
| A. | Plasmid |
| B. | Cell wall |
| C. | Ribosome |
| D. | Cell membrane |
| Answer» E. | |
| 9. |
Which of these structures is used in bacterial transformation? |
| A. | Plasmid |
| B. | Cell membrane |
| C. | Ribosomes |
| D. | Genomic DNA |
| Answer» B. Cell membrane | |
| 10. |
What are plasmid made of? |
| A. | Proteins |
| B. | Polysaccharides |
| C. | Nucleic acids |
| D. | Lipids |
| Answer» D. Lipids | |
| 11. |
What is the shape of a bacterial plasmid? |
| A. | Linear |
| B. | Circular |
| C. | Irregular |
| D. | Bacillus |
| Answer» C. Irregular | |
| 12. |
What is the size of a typical eukaryotic cell? |
| A. | 10 – 20 μm |
| B. | 0.1 – 0.2 μm |
| C. | 100 – 200 μm |
| D. | 1 – 2 μm |
| Answer» B. 0.1 – 0.2 μm | |
| 13. |
Which of these bacteria lack a cell wall? |
| A. | Escherichia |
| B. | Pseudomonas |
| C. | Mycoplasma |
| D. | Mycobacterium |
| Answer» D. Mycobacterium | |
| 14. |
Which of these is not a basic shape of bacteria? |
| A. | Vibrio |
| B. | Spirillum |
| C. | Triangular |
| D. | Coccus |
| Answer» D. Coccus | |
| 15. |
What is the full form of PPLO? |
| A. | Pleural Parasite Like Organisms |
| B. | Phosphatic Pneumonia Like Organisms |
| C. | Pleuro Parasite Like Organisms |
| D. | Pleuro Pneumonia Like Organisms |
| Answer» E. | |