Bacteria and Viruses — MCQ Practice
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.
An infectious agent replicates inside a bacterium and is described as a bacteriophage. Which classification is correct?
Why does an antibiotic directed at a susceptible bacterial cell-wall process not treat a viral infection itself?
A culture initially contains 900 susceptible and 100 resistant bacteria. After exposure, it contains 90 susceptible and 80 resistant bacteria. Which interpretation best fits these hypothetical counts?
Which observation most directly challenges the statement that bacteria are defined by their inability to perform photosynthesis?
A surveillance programme records bacterial resistance to antibiotics, fungal resistance to antifungals and viral resistance to antivirals. Which description correctly classifies its scope?