MCQOPTIONS
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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following are a Gram negative bacteria? |
| A. | Neisseria gonorrheae |
| B. | Mycoplasma pneumonia |
| C. | Cornybacterium diptheriae |
| D. | Streptococcus pyogenes |
| Answer» B. Mycoplasma pneumonia | |
| 2. |
Exotoxins are produced by _______________ |
| A. | All prokaryotes |
| B. | Gram positive bacteria |
| C. | Gram negative bacteria |
| D. | Archaea |
| Answer» C. Gram negative bacteria | |
| 3. |
Which of the following is absent in Gram- negative bacteria and present in Gram- positive bacteria? |
| A. | Teichoic acids |
| B. | Periplasmic space |
| C. | Outer membrane |
| D. | Lipopolysaccharide |
| Answer» B. Periplasmic space | |
| 4. |
Which of the following is not a difference between cilia and flagella? |
| A. | Cilia is short hairlike; flagella is long thread-like |
| B. | Nexin present in cilia; Nexin absent in flagella |
| C. | Axoneme present in cilia; Axoneme absent in flagella |
| D. | Rapid rotational motion of Flagella; Sweeping slow movement of cilia |
| Answer» D. Rapid rotational motion of Flagella; Sweeping slow movement of cilia | |
| 5. |
Which is the main building block of cilia? |
| A. | Tubulin |
| B. | Nexin |
| C. | Dyenin |
| D. | Actin |
| Answer» B. Nexin | |
| 6. |
F-plasmid contains ______________ |
| A. | Only OriV |
| B. | Only OriT |
| C. | Both OriV and OriT |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
Nitrogen fixation can be done by ______________ |
| A. | All prokaryotes |
| B. | Certain cyanobacteria |
| C. | Certain archaebacteria |
| D. | None of the mentioned |
| Answer» C. Certain archaebacteria | |
| 8. |
Escherichia coli and Vibrio cholerae are ________________ |
| A. | lophotrichous; monotrichous |
| B. | amphitrichous; lophotrichous |
| C. | peritrichous; monotrichous |
| D. | peritrichous; amphitrichous |
| Answer» D. peritrichous; amphitrichous | |