I have 10 questions, MCQ and Fill in the blank. biology lab
Which species were tested in your bacterial inhibition lab exercise?
| | Bacillus cereus | |
| | Staphylococcus aureus | |
| | Streoptococcus mutans | |
| | Balantidium coli | |
| | Escherichia coli | |
| | Pseudomonas aeruginosa |
Which of the following antimicrobial agents works directly on bacteria by interfering with cellular processes?
| | disinfectants | |
| | antibiotics | |
| | antiseptics |
Amoxicillin was less effective on E. coli than S. mutans because (choose all that apply)
| | amoxicillin targets bacterial ribosomes | |
| | amoxicillin targets peptidoglycan | |
| | E. coli is gram negative | |
| | E. coli is gram positive |
Which antimicrobial compound was the least effective against S. mutans?
| | antibacterial soap | |
| | bleach | |
| | erythromycin | |
| | mouthwash | |
| | amoxicillin | |
| | household cleaner |
Which of the following did you observe undergoing conjugation in the "Protists in Motion" video?
| | Volvox | |
| | Spirogyra | |
| | Euglena | |
| | Trichonympha |



